--- pkg-config-0.18.1/pkg.c.free	2005-08-09 16:21:57.964630000 -0400
+++ pkg-config-0.18.1/pkg.c	2005-08-09 16:22:07.295289000 -0400
@@ -1200,7 +1200,7 @@
   char *varval = NULL;
 
   if (globals)
-    varval = g_hash_table_lookup (globals, var);
+    varval = g_strdup(g_hash_table_lookup (globals, var));
   
   if (varval == NULL && pkg->vars)
     varval = g_strdup (g_hash_table_lookup (pkg->vars, var));
@@ -1241,7 +1241,8 @@
     }
 
   /* chop last space */
-  str->str[str->len - 1] = '\0';
+  if (str->len)
+     str->str[str->len - 1] = '\0';
   retval = str->str;
   g_string_free (str, FALSE);