Unbreak clazy 1.8 update

Bring back PREFIX cmake fix. This was not noticed because the old version was
installed during the build time.

Spotted by aja@, thanks

lang/clazy/Makefile

@@ -1,10 +1,11 @@
-# $OpenBSD: Makefile,v 1.7 2020/11/24 16:04:38 rsadowski Exp $
+# $OpenBSD: Makefile,v 1.8 2020/11/28 09:30:46 rsadowski Exp $
 
 COMMENT =	static source code analyzer for Qt5-based C++
 
 GH_ACCOUNT =	KDE
 GH_PROJECT =	clazy
 GH_TAGNAME =	v1.8
+REVISION =	0
 
 CATEGORIES =	lang devel
 

lang/clazy/patches/patch-CMakeLists_txt

@@ -0,0 +1,13 @@
+$OpenBSD: patch-CMakeLists_txt,v 1.6 2020/11/28 09:30:46 rsadowski Exp $
+
+Index: CMakeLists.txt
+--- CMakeLists.txt.orig
++++ CMakeLists.txt
+@@ -190,7 +190,6 @@ if (NOT CLAZY_BUILD_WITH_CLANG)
+   add_clang_plugin(ClazyPlugin ${CLAZY_PLUGIN_SRCS} ${CLAZY_MINI_AST_DUMPER_SRCS})
+   set_target_properties(ClazyPlugin PROPERTIES
+     LINKER_LANGUAGE CXX
+-    PREFIX ""
+   )
+ 
+   install(TARGETS ClazyPlugin

lang/clazy/pkg/PLIST

@@ -1,7 +1,7 @@
-@comment $OpenBSD: PLIST,v 1.5 2020/11/24 16:04:38 rsadowski Exp $
+@comment $OpenBSD: PLIST,v 1.6 2020/11/28 09:30:46 rsadowski Exp $
 bin/clazy
 @bin bin/clazy-standalone
-@so lib/ClazyPlugin.so
+@so lib/libClazyPlugin.so
 @man man/man1/clazy.1
 share/doc/clazy/
 share/doc/clazy/COPYING-LGPL2.txt