icecat: add release icecat-140.9.0-1gnu1 for ecne

icecat/modules/zlib/mozzconf.patch

@@ -0,0 +1,13 @@
+diff --git a/src/zconf.h b/src/zconf.h
+--- a/src/zconf.h
++++ b/src/zconf.h
+@@ -8,6 +8,9 @@
+ #ifndef ZCONF_H
+ #define ZCONF_H
+
++/* This header does prefixing as below, but with an updated set of names. */
++#include "mozzconf.h"
++
+ /*
+  * If you *really* need a unique prefix for all types and library functions,
+  * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.