Index: src/mesa/shader/nvvertparse.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/shader/nvvertparse.c,v
retrieving revision 1.19
diff -u -p -r1.19 nvvertparse.c
--- src/mesa/shader/nvvertparse.c	24 Mar 2006 16:35:08 -0000	1.19
+++ src/mesa/shader/nvvertparse.c	19 Apr 2006 23:00:54 -0000
@@ -699,6 +699,9 @@ Parse_SwizzleSrcReg(struct parse_state *
       else {
          /* 2, 3 or 4-component swizzle */
          GLint k;
+
+         srcReg->Swizzle = 0;
+
          for (k = 0; token[k] && k < 5; k++) {
             if (token[k] == 'x')
                srcReg->Swizzle |= 0 << (k*3);