add workaround for gcc 4.2.1 (Apple)

Author: kazuho

range_coder.hpp

@@ -126,11 +126,11 @@ template <typename FreqType, unsigned _N, int _BASE> struct rc_decoder_search_tr
 };
 
 template <typename FreqType, unsigned _N, int _BASE = 0> struct rc_decoder_search_t : public rc_decoder_search_traits_t<FreqType, _N, _BASE> {
-  static uint get_index(const FreqType *freq, FreqType pos) {
-    uint left  = 0;
-    uint right = _N;
+  static rc_type_t::uint get_index(const FreqType *freq, FreqType pos) {
+    rc_type_t::uint left  = 0;
+    rc_type_t::uint right = _N;
     while(left < right) {
-      uint mid = (left+right)/2;
+      rc_type_t::uint mid = (left+right)/2;
       if (freq[mid+1] <= pos) left = mid+1;
       else                    right = mid;
     }
@@ -141,7 +141,7 @@ template <typename FreqType, unsigned _N, int _BASE = 0> struct rc_decoder_searc
 #ifdef RANGE_CODER_USE_SSE
 
 template<int _BASE> struct rc_decoder_search_t<short, 256, _BASE> : public rc_decoder_search_traits_t<short, 256, _BASE> {
-  static uint get_index(const short *freq, short pos) {
+  static rc_type_t::uint get_index(const short *freq, short pos) {
     __m128i v = _mm_set1_epi16(pos);
     unsigned i, mask = 0;
     for (i = 0; i < 256; i += 16) {