Fix for -fno-common.

Index: gtklp/gtklp.c
--- gtklp/gtklp.c.orig
+++ gtklp/gtklp.c
@@ -119,7 +119,6 @@ ppd_file_t *printerPPD;
 int PPDopen;
 char *PPDfilename;
 int conflict_active;
-int nox;
 int num_commandline_opts;
 cups_option_t *commandline_opts;
 char nupLayout[5];
