Changing the path separator depending on whether or not LibSass is being built under Windows.

Author: Aaron Leung

context.cpp

@@ -1,8 +1,10 @@
 #ifdef _WIN32
 #include <direct.h>
 #define getcwd _getcwd
+#define PATH_SEP ';'
 #else
 #include <unistd.h>
+#define PATH_SEP ':'
 #endif
 
 #include <cstring>
@@ -27,7 +29,7 @@ namespace Sass {
 
     if (paths_str) {
       const char* beg = paths_str;
-      const char* end = Prelexer::find_first<':'>(beg);
+      const char* end = Prelexer::find_first<PATH_SEP>(beg);
 
       while (end) {
         string path(beg, end - beg);
@@ -36,7 +38,7 @@ namespace Sass {
           include_paths.push_back(path);
         }
         beg = end + 1;
-        end = Prelexer::find_first<':'>(beg);
+        end = Prelexer::find_first<PATH_SEP>(beg);
       }
 
       string path(beg);