mesa: Fix NV_fragment_program's display list opcode for RequestResident.

While nuking NV_vertex_program, I noticed that one of my opcodes was used in a
strange place.

Reviewed-by: Brian Paul <brianp@vmware.com>

src/mesa/main/dlist.c

@@ -5020,7 +5020,7 @@ save_RequestResidentProgramsNV(GLsizei num, const GLuint * ids)
 
    ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
 
-   n = alloc_instruction(ctx, OPCODE_TRACK_MATRIX_NV, 2);
+   n = alloc_instruction(ctx, OPCODE_REQUEST_RESIDENT_PROGRAMS_NV, 2);
    if (n) {
       GLuint *idCopy = malloc(num * sizeof(GLuint));
       if (!idCopy) {