Disable file coloring for SUSE systems

--- build/rpmfc.c.orig	2020-09-30 13:06:07.502865543 +0000
+++ build/rpmfc.c	2020-09-30 13:07:08.530734545 +0000
@@ -1607,7 +1607,8 @@ rpmRC rpmfcGenerateDepends(const rpmSpec
 	goto exit;
 
     /* Add per-file colors(#files) */
-    headerPutUint32(pkg->header, RPMTAG_FILECOLORS, fc->fcolor, fc->nfiles);
+    if (rpmExpandNumeric("%{?_transaction_color}") != 0)
+	headerPutUint32(pkg->header, RPMTAG_FILECOLORS, fc->fcolor, fc->nfiles);
     
     /* Add classes(#classes) */
     for (rpmsid id = 1; id <= rpmstrPoolNumStr(fc->cdict); id++) {