sync up with gallium-0.1 changes

New _mesa_num_inst_dst_regs(), _mesa_is_tex_instruction() functions
diff --git a/src/mesa/shader/prog_instruction.h b/src/mesa/shader/prog_instruction.h
index ce4daec..aca7683 100644
--- a/src/mesa/shader/prog_instruction.h
+++ b/src/mesa/shader/prog_instruction.h
@@ -443,6 +443,12 @@
 extern GLuint
 _mesa_num_inst_src_regs(gl_inst_opcode opcode);
 
+extern GLuint
+_mesa_num_inst_dst_regs(gl_inst_opcode opcode);
+
+extern GLboolean
+_mesa_is_tex_instruction(gl_inst_opcode opcode);
+
 extern const char *
 _mesa_opcode_string(gl_inst_opcode opcode);