Add a few missing headers.

Fixes build with gcc 4.3.2 on Debian.

Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>

tools/localize/Perforce.cpp

@@ -3,6 +3,8 @@
 #include <sstream>
 #include <sys/types.h>
 #include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
 #include <sys/wait.h>
 
 using namespace std;

tools/localize/XLIFFFile.cpp

@@ -1,5 +1,6 @@
 #include "XLIFFFile.h"
 
+#include <algorithm>
 #include <sys/time.h>
 #include <time.h>
 

tools/localize/XMLHandler.cpp

@@ -1,5 +1,6 @@
 #include "XMLHandler.h"
 
+#include <algorithm>
 #include <expat.h>
 #include <stdio.h>
 #include <string.h>

tools/localize/XMLHandler.h

@@ -3,6 +3,7 @@
 
 #include "SourcePos.h"
 
+#include <algorithm>
 #include <string>
 #include <vector>
 #include <map>

tools/localize/file_utils.cpp

@@ -3,6 +3,8 @@
 #include <sys/fcntl.h>
 #include <sys/stat.h>
 #include <errno.h>
+#include <string.h>
+#include <stdlib.h>
 #include <host/Directories.h>
 #include "log.h"
 

tools/localize/localize.cpp

@@ -14,6 +14,7 @@
 #include <sstream>
 #include <stdio.h>
 #include <string.h>
+#include <stdlib.h>
 
 using namespace std;