More cleaning up on compile warning.

git-svn-id: https://svn.pjsip.org/repos/pjproject/branches/projects/vs-reorg2@2657 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/third_party/g7221/common/basic_op.c b/third_party/g7221/common/basic_op.c
index bf7583a..d4c1530 100644
--- a/third_party/g7221/common/basic_op.c
+++ b/third_party/g7221/common/basic_op.c
@@ -1714,7 +1714,7 @@
 UWord32 LU_shl (UWord32 L_var1, Word16 var2)
 {
     Word16 neg_var2;
-    UWord32 L_var_out;
+    UWord32 L_var_out = 0;
 
     if (var2 <= 0)
     {