[gomp4] Fix variable initialization

[James Norris]

Hi,

The attached patch fixes a couple of missing variable
initializations.

Committed to gomp-4_0-branch.

Jim


diff --git a/libgomp/target.c b/libgomp/target.c
index 16283ad..0470d3b 100644
--- a/libgomp/target.c
+++ b/libgomp/target.c
@@ -1130,7 +1130,7 @@ gomp_load_plugin_for_device (struct gomp_device_descr *device,
 			     const char *plugin_name)
 {
   const char *err = NULL, *last_missing = NULL;
-  int optional_present, optional_total;
+  int optional_present = 0, optional_total = 0;
 
   /* Clear any existing error.  */
   dlerror ();