realpath bug

[Miguel Angel Alvarez]

Hi. I have found a bug in realpath that did not allow me to use it with 
symlinks. Although I am using 0.9.28.1, the bug is present in 0.9.28 and 
also in the trunk.

I attach a suggested patch. Please let me know if the solution is correct.

Signed-off-by: Miguel Angel Alvarez <ma.alvarez at ziv.es>

diff -urP uClibc-0.9.28.1/libc/stdlib/realpath.c 
uClibc-0.9.28.1_patched/libc/stdlib/realpath.c
--- uClibc-0.9.28.1/libc/stdlib/realpath.c    2007-01-26 
00:54:19.000000000 +0100
+++ uClibc-0.9.28.1_patched/libc/stdlib/realpath.c    2007-02-07 
13:46:18.000000000 +0100
@@ -130,7 +130,7 @@
                 /* Make sure it's null terminated. */
                 *new_path = '\0';
                 strcpy(resolved_path, got_path);
-                return NULL;
+                return resolved_path;
             }
         } else {
             /* Note: readlink doesn't add the null byte. */ 
 
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