Fix build

Change-Id: Ifeaec02a5f8e25c2557152ca255a0b84bcef5267
diff --git a/quake/src/WinQuake/gl_draw.cpp b/quake/src/WinQuake/gl_draw.cpp
index e822a65..aa9c9a8 100644
--- a/quake/src/WinQuake/gl_draw.cpp
+++ b/quake/src/WinQuake/gl_draw.cpp
@@ -533,6 +533,8 @@
     int		i, j, k;
     int		texnum;
 
+    x = 0;
+    y = 0;
     texnum = Scrap_AllocBlock (p->width, p->height, &x, &y);
     scrap_dirty = true;
     k = 0;