Use double quotes for hg log command on Windows.

Author: acaudwell

ChangeLog

@@ -1,6 +1,7 @@
 0.42:
  * Fixed bzr log command when no start date was specified (chrisf).
  * Fixed hg log commit order when date range specified.
+ * Fixed hg log command line on Windows.
  * Fixed parser bug in date range filtering code.
 
 0.41:

src/formats/hg.cpp

@@ -46,6 +46,10 @@ std::string MercurialLog::logCommand() {
 
     std::string log_command = str(boost::format("hg log %s -r 0:tip --style '%s'") % range % gource_style_path);
 
+#ifdef _WIN32
+    std::replace(log_command.begin(), log_command.end(), '\'', '"');
+#endif
+
     return log_command;
 }