Patch to fix issue with pkgconfig underquoted condition in pkg.m4, this fixes #396.

dev-util/pkgconfig/patches/pkgconfig-0.25.patch

@@ -12,3 +12,15 @@
  	      pkg->other_cflags = g_slist_prepend(pkg->other_cflags, n);
  	      g_free(tmp);
  	  }
+diff -urN pkg-config-0.25/pkg.m4 pkg-config-0.25-dnlfixed/pkg.m4
+--- pkg-config-0.25/pkg.m4	2009-12-06 20:39:02.000524288 +0000
++++ pkg-config-0.25-dnlfixed/pkg.m4	2010-09-07 20:24:30.345505792 +0000
+@@ -135,7 +135,7 @@
+ Consider adjusting the PKG_CONFIG_PATH environment variable if you
+ installed software in a non-standard prefix.
+ 
+-_PKG_TEXT])dnl
++_PKG_TEXT])[]dnl
+         ])
+ elif test $pkg_failed = untried; then
+      	AC_MSG_RESULT([no])