env.c (getenv): Remove unused variable res_len.

	* intrinsics/env.c (getenv): Remove unused variable res_len.

From-SVN: r218057

libgfortran/ChangeLog

+2014-11-25  Uros Bizjak  <ubizjak@gmail.com>
+
+	* intrinsics/env.c (getenv): Remove unused variable res_len.
+
 2014-11-24  John David Anglin  <danglin@gcc.gnu.org>
 
 	* configure.ac: Guard include of <ieeefp.h>.

libgfortran/intrinsics/env.c

@@ -42,7 +42,6 @@ PREFIX(getenv) (char * name, char * value, gfc_charlen_type name_len,
 {
   char *name_nt;
   char *res = NULL;
-  int res_len;
 
   if (name == NULL || value == NULL)
     runtime_error ("Both arguments to getenv are mandatory.");