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-rw-r--r--gdb/macrotab.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gdb/macrotab.c b/gdb/macrotab.c
index 2caf777..706079e 100644
--- a/gdb/macrotab.c
+++ b/gdb/macrotab.c
@@ -1102,5 +1102,5 @@ macro_source_fullname (struct macro_source_file *file)
if (comp_dir == NULL || IS_ABSOLUTE_PATH (file->filename))
return xstrdup (file->filename);
- return concat (comp_dir, SLASH_STRING, file->filename, NULL);
+ return concat (comp_dir, SLASH_STRING, file->filename, (char *) NULL);
}