[ARM] PR driver/70132: Avoid double fclose in driver-arm.c

	PR driver/70132
	* config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
	to not call fclose twice on file.

From-SVN: r234419

gcc/ChangeLog

+2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR driver/70132
+	* config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
+	to not call fclose twice on file.
+
 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/70354

gcc/config/arm/driver-arm.c

@@ -128,12 +128,11 @@ host_detect_local_cpu (int argc, const char **argv)
 	}
     }
 
-  fclose (f);
-
-  if (val == NULL)
-    goto not_found;
-
-  return concat ("-m", argv[0], "=", val, NULL);
+  if (val)
+    {
+      fclose (f);
+      return concat ("-m", argv[0], "=", val, NULL);
+     }
 
 not_found:
   {