Apply patch from upstream to fix a warning.

This allows build of the gstreamer1 libvisual plugin with -Werror.

PR:		ports/191189
Submitted by:	kwm

graphics/libvisual04/Makefile

@@ -3,7 +3,7 @@
 
 PORTNAME=	libvisual
 PORTVERSION=	0.4.0
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	graphics
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${PORTNAME}-${PORTVERSION}
 PKGNAMESUFFIX=	04
@@ -14,8 +14,7 @@ COMMENT=	Abstraction library that sits between apps and visual plugin
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-USE_AUTOTOOLS=	libtool
-USES=		gettext pathfix pkgconfig
+USES=		gettext libtool:keepla pathfix pkgconfig
 GNU_CONFIGURE=	yes
 CPPFLAGS+=	-I${LOCALBASE}/include ${PTHREAD_CFLAGS}
 LDFLAGS+=	-L${LOCALBASE}/lib ${PTHREAD_LIBS}

graphics/libvisual04/files/patch-libvisual-lv_defines.h

@@ -0,0 +1,55 @@
+--- lv_defines.h.orig	2006-01-22 13:23:37.000000000 +0000
++++ libvisual/lv_defines.h	2014-06-24 19:56:46.961214708 +0100
+@@ -39,14 +39,13 @@
+ #endif /* __cplusplus */
+ 
+ #ifdef NULL
+-#undef NULL
++# ifndef __cplusplus
++#   define NULL ((void *) 0)
++# else
++#   define NULL 0
++# endif
+ #endif
+ 
+-/**
+- * NULL define.
+- */
+-#define NULL	((void *) 0)
+-
+ #ifndef FALSE
+ /**
+  * FALSE define.
+@@ -63,17 +62,21 @@
+ 
+ /* Compiler specific optimalization macros */
+ #if __GNUC__ >= 3
+-# define inline			inline __attribute__ ((always_inline))
+-# define __malloc		__attribute__ ((malloc))
+-# define __packed		__attribute__ ((packed))
+-# define VIS_LIKELY(x)		__builtin_expect (!!(x), 1)
+-# define VIS_UNLIKELY(x)	__builtin_expect (!!(x), 0)
++# ifndef __cplusplus
++#  define inline            inline __attribute__ ((always_inline))
++# endif
++# define VIS_ATTR_MALLOC    __attribute__ ((malloc))
++# define VIS_ATTR_PACKED    __attribute__ ((packed))
++# define VIS_LIKELY(x)      __builtin_expect (!!(x), 1)
++# define VIS_UNLIKELY(x)    __builtin_expect (!!(x), 0)
+ #else
+-# define inline			/* no inline */
+-# define __malloc		/* no malloc */
+-# define __packed		/* no packed */
+-# define VIS_LIKELY(x)		(x)
+-# define VIS_UNLIKELY(x)	(x)
+-#endif
++# ifndef __cplusplus
++#  define inline            /* no inline */
++# endif
++# define VIS_ATTR_MALLOC    /* no malloc */
++# define VIS_ATTR_PACKED    /* no packed */
++# define VIS_LIKELY(x)      (x)
++# define VIS_UNLIKELY(x)    (x)
++#endif /* __GNUC__ >= 3 */
+ 
+ #endif /* _LV_DEFINES_H */

graphics/libvisual04/files/patch-libvisual-lv_mem.h

@@ -0,0 +1,15 @@
+--- libvisual/lv_mem.h.orig	2014-06-24 19:51:48.637214311 +0100
++++ libvisual/lv_mem.h	2014-06-24 19:53:14.723215426 +0100
+@@ -76,9 +76,9 @@
+ 
+ /* prototypes */
+ int visual_mem_initialize (void);
+-void *visual_mem_malloc (visual_size_t nbytes) __malloc;
+-void *visual_mem_malloc0 (visual_size_t nbytes) __malloc;
+-void *visual_mem_realloc (void *ptr, visual_size_t nbytes) __malloc;
++void *visual_mem_malloc (visual_size_t nbytes) VIS_ATTR_MALLOC;
++void *visual_mem_malloc0 (visual_size_t nbytes) VIS_ATTR_MALLOC;
++void *visual_mem_realloc (void *ptr, visual_size_t nbytes) VIS_ATTR_MALLOC;
+ int visual_mem_free (void *ptr);
+ 
+ /* Optimal performance functions set by visual_mem_initialize(). */

graphics/libvisual04/pkg-plist

@@ -43,10 +43,10 @@ include/libvisual%%VER%%/libvisual/lv_ui.h
 include/libvisual%%VER%%/libvisual/lv_utils.h
 include/libvisual%%VER%%/libvisual/lv_video.h
 include/libvisual%%VER%%/libvisual/lvconfig.h
-lib/libvisual%%VER%%.a
 lib/libvisual%%VER%%.la
 lib/libvisual%%VER%%.so
 lib/libvisual%%VER%%.so.0
+lib/libvisual%%VER%%.so.0.0.0
 libdata/pkgconfig/libvisual%%VER%%.pc
 share/locale/es_AR/LC_MESSAGES/libvisual%%VER%%.mo
 share/locale/es_ES/LC_MESSAGES/libvisual%%VER%%.mo