mount: use realloc for xstrconcat functions

Everywhere in code is

	s = xstrconcat3(s, t, u);

that's nonsense use malloc(new_s); free(s); return new_s;

Signed-off-by: Karel Zak <kzak@redhat.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/mount/sundries.h b/mount/sundries.h
index 00959be7..c3780f17 100644
--- a/mount/sundries.h
+++ b/mount/sundries.h
@@ -32,9 +32,8 @@ int matching_opts (const char *options, const char *test_opts);
 void *xmalloc (size_t size);
 char *xstrdup (const char *s);
 char *xstrndup (const char *s, int n);
-char *xstrconcat2 (const char *, const char *);
-char *xstrconcat3 (const char *, const char *, const char *);
-char *xstrconcat4 (const char *, const char *, const char *, const char *);
+char *xstrconcat3 (char *, const char *, const char *);
+char *xstrconcat4 (char *, const char *, const char *, const char *);
 
 void die (int errcode, const char *fmt, ...);