mesa: replace old MEMCPY macro with memcpy
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index c292d1f..f315f0b 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1108,7 +1108,7 @@
       dst->Polygon = src->Polygon;
    }
    if (mask & GL_POLYGON_STIPPLE_BIT) {
-      /* Use loop instead of MEMCPY due to problem with Portland Group's
+      /* Use loop instead of memcpy due to problem with Portland Group's
        * C compiler.  Reported by John Stone.
        */
       GLuint i;