Fix utime/utimes when passed a NULL pointer.

Bug: 11383777
Change-Id: If944a42f3adfa8a6ce91c167c249e009ed63300a
diff --git a/libc/include/utime.h b/libc/include/utime.h
index fa7cd2f..3d72da4 100644
--- a/libc/include/utime.h
+++ b/libc/include/utime.h
@@ -25,6 +25,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+
 #ifndef _UTIME_H_
 #define _UTIME_H_
 
@@ -34,9 +35,8 @@
 
 __BEGIN_DECLS
 
-extern int  utime(const char *, const struct utimbuf *);
+extern int utime(const char*, const struct utimbuf*);
 
 __END_DECLS
 
 #endif /* _UTIME_H_ */
-