Added some includes to fix compilation problems with Sun Studio 12

(patch #1066 provided by inchworm).

changelog

@@ -29,7 +29,9 @@ Version 1.5.0+svn:
      the new widget library also uses it.
    * Removed bug introduced in 1.5.0 that allowed use of :debug commands during
      network play
-	
+   * added some includes to fix compilation problems with Sun Studio 12
+     (patch #1066)
+
 Version 1.5.0:
  * campaigns:
    * synchronize all campaign ids with their directory name

src/color_range.cpp

@@ -25,6 +25,7 @@
 #include <cassert>
 #include <set>
 #include <string>
+#include <cstring>
 #include <vector>
 
 std::map<Uint32, Uint32> recolor_range(const color_range& new_range, const std::vector<Uint32>& old_rgb){

src/config.cpp

@@ -21,6 +21,7 @@
 #include <algorithm>
 #include <sstream>
 #include <string.h>
+#include <ostream>
 #include "config.hpp"
 #include "gettext.hpp"
 #include "log.hpp"

src/filesystem.cpp

@@ -43,6 +43,7 @@ BPath be_path;
 // for getenv
 #include <cstdlib>
 #include <cerrno>
+#include <string>
 #include <cstring>
 #include <algorithm>
 #include <fstream>

src/game_config.cpp

@@ -26,7 +26,9 @@
 #endif /* HAVE_REVISION */
 
 #include <cstdlib>
+#include <string>
 #include <sstream>
+#include <ostream>
 
 #define DBG_NG LOG_STREAM(debug, engine)
 #define ERR_NG LOG_STREAM(err, engine)

src/log.cpp

@@ -26,6 +26,7 @@
 #include <algorithm>
 #include <ctime>
 #include <sstream>
+#include <streambuf>
 
 namespace {