diff -Nurd -x'*~' pkg-config-0.28.orig/pkg.c pkg-config-0.28/pkg.c
--- pkg-config-0.28.orig/pkg.c	2013-01-22 08:11:59.000000000 -0500
+++ pkg-config-0.28/pkg.c	2014-06-23 03:30:57.000000000 -0400
@@ -176,7 +176,7 @@
 
       if (ends_in_dotpc (dent->d_name))
         {
-          char *pkgname = g_malloc (len - 2);
+          char *pkgname = g_malloc (len - EXT_LEN + 1);
 
           debug_spew ("File '%s' appears to be a .pc file\n", dent->d_name);