init vars to silence warnings

diff --git a/src/mesa/swrast/s_tritemp.h b/src/mesa/swrast/s_tritemp.h
index 9180218b236fc82609f65a67d933c248538634dc..1949e7cd40f132471d291b4961729c65ad621b99 100644 (file)
--- a/src/mesa/swrast/s_tritemp.h
+++ b/src/mesa/swrast/s_tritemp.h
@@ -580,7 +580,7 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
          GLfixed zLeft = 0, fdzOuter = 0, fdzInner;
 #endif
 #ifdef INTERP_W
-         GLfloat wLeft, dwOuter, dwInner;
+         GLfloat wLeft = 0, dwOuter = 0, dwInner;
 #endif
 #ifdef INTERP_FOG
          GLfloat fogLeft = 0, dfogOuter = 0, dfogInner;