Fix typo in intrinsics/time_1.h

[rbmj]

Hi all,

In libgfortran/intrinsics/time_1.h:181, there is a typo that refers to 
user_usecs (should be user_usec).  This patch fixes it.  I don't have 
commit access, so someone please apply this for me.  It should be obvious.

Robert Mason


diff --git a/libgfortran/intrinsics/time_1.h b/libgfortran/intrinsics/time_1.h
index 98a20d2..920b175 100644
--- a/libgfortran/intrinsics/time_1.h
+++ b/libgfortran/intrinsics/time_1.h
@@ -178,7 +178,7 @@ gf_cputime (long *user_sec, long *user_usec, long *system_sec, long *system_usec
   struct timespec ts;
   int err = clock_gettime (CLOCK_PROCESS_CPUTIME_ID, &ts);
   *user_sec = ts.tv_sec;
-  *user_usecs = ts.tv_nsec / 1000;
+  *user_usec = ts.tv_nsec / 1000;
   *system_sec = *system_usec = 0;
   return err;