vmsdbgout.c (lookup_filename): Assign null string instead of null pointer to fnam.

	* vmsdbgout.c (lookup_filename): Assign null string instead
	of null pointer to fnam.

From-SVN: r47823

gcc/ChangeLog

+Sun Dec  9 18:40:07 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+	* vmsdbgout.c (lookup_filename): Assign null string instead
+	of null pointer to fnam.
+
 2001-12-09  Richard Henderson  <rth@redhat.com>
 
 	* config/alpha/alpha.c (alpha_align_insns): Suppress realignment

gcc/vmsdbgout.c

@@ -1462,7 +1462,7 @@ lookup_filename (file_name)
       ebk = 0;
       ffb = 0;
       rfo = 0;
-      fnam = (char *) 0;
+      fnam = "";
       flen = 0;
     }