updated for version 7.3.076
Problem:    Clang warnings for dead code.
Solution:   Remove it. (Carlo Teubner)
diff --git a/src/gui_gtk.c b/src/gui_gtk.c
index 326a30c..b95f46a 100644
--- a/src/gui_gtk.c
+++ b/src/gui_gtk.c
@@ -1798,7 +1798,6 @@
     char_u		*repl_text;
     gboolean		direction_down;
     SharedFindReplace	*sfr;
-    int			rc;
 
     flags = (int)(long)data;	    /* avoid a lint warning here */
 
@@ -1824,7 +1823,7 @@
 
     repl_text = CONVERT_FROM_UTF8(repl_text);
     find_text = CONVERT_FROM_UTF8(find_text);
-    rc = gui_do_findrepl(flags, find_text, repl_text, direction_down);
+    gui_do_findrepl(flags, find_text, repl_text, direction_down);
     CONVERT_FROM_UTF8_FREE(repl_text);
     CONVERT_FROM_UTF8_FREE(find_text);
 }