Fixed mingw build

src/Platform_unix.cpp

@@ -22,8 +22,8 @@
  */
 
 #include <sched.h>
-#include <stdlib.h>
+#include <cstring>
-#include <string.h>
+#include <string>
 #include <sys/resource.h>
 #include <uv.h>
 

src/Summary.cpp

@@ -22,6 +22,7 @@
  */
 
 
+#include <string>
 #include <inttypes.h>
 #include <uv.h>
 

src/cc/Summary.cpp

@@ -23,6 +23,7 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <string>
 #include <uv.h>
 
 #include "log/Log.h"

src/log/SysLog.cpp

@@ -23,6 +23,7 @@
 
 
 #include <syslog.h>
+#include <string>
 
 
 #include "log/SysLog.h"

src/version.h

@@ -62,7 +62,6 @@
 #   endif
 #endif
 
-#include <string>
 
 class Version
 {