$OpenBSD: patch-gcc_c-incpath_c,v 1.1.1.1 2009/06/22 22:37:32 sthen Exp $
--- gcc/c-incpath.c.orig	Sun Feb 15 04:17:54 2009
+++ gcc/c-incpath.c	Mon Jun 22 00:59:21 2009
@@ -163,9 +163,9 @@ add_standard_paths (const char *sysroot, const char *i
 		continue;
 	      if (!strncmp (p->fname, cpp_GCC_INCLUDE_DIR, len))
 		{
-		  char *str = concat (iprefix, p->fname + len, NULL);
+		  char *str = concat (iprefix, p->fname + len, (void *)0);
 		  if (p->multilib && imultilib)
-		    str = concat (str, dir_separator_str, imultilib, NULL);
+		    str = concat (str, dir_separator_str, imultilib, (void *)0);
 		  add_path (str, SYSTEM, p->cxx_aware, false);
 		}
 	    }
@@ -184,14 +184,14 @@ add_standard_paths (const char *sysroot, const char *i
 #ifdef ENABLE_LLVM
 	    str = TARGET_BUILD_SYSROOT_PATH(sysroot, p->fname);
 #else
-	    str = concat (sysroot, p->fname, NULL);
+	    str = concat (sysroot, p->fname, (void *)0);
 #endif
             /* LLVM LOCAL end sysroot */
 	  else
 	    str = update_path (p->fname, p->component);
 
 	  if (p->multilib && imultilib)
-	    str = concat (str, dir_separator_str, imultilib, NULL);
+	    str = concat (str, dir_separator_str, imultilib, (void *)0);
 
 	  add_path (str, SYSTEM, p->cxx_aware, false);
 	}