* linespec.c (decode_dollar): Avoid "may be used uninitialized" warning.

gdb/ChangeLog

@@ -1,3 +1,7 @@
+2011-12-06  Doug Evans  <dje@google.com>
+
+	* linespec.c (decode_dollar): Avoid "may be used uninitialized" warning.
+
 2011-12-06  Joel Brobecker  <brobecker@acacore.com>
 
         * language.h (struct language_defn): Add new component

gdb/linespec.c

@@ -2494,6 +2494,10 @@ decode_dollar (struct linespec_state *self, char *copy)
 
       volatile struct gdb_exception exc;
 
+      /* Avoid "may be used uninitialized" warning.  */
+      values.sals = NULL;
+      values.nelts = 0;
+
       TRY_CATCH (exc, RETURN_MASK_ERROR)
 	{
 	  values = decode_variable (self, copy);