(svn r11777) -Codechange: split the string header and make do not include it when it's not necessary.

src/string_type.h

@@ -0,0 +1,19 @@
+/* $Id$ */
+
+/** @file string_type.h Types for strings. */
+
+#ifndef STRING_TYPE_H
+#define STRING_TYPE_H
+
+/**
+ * Valid filter types for IsValidChar.
+ */
+enum CharSetFilter {
+	CS_ALPHANUMERAL,      ///< Both numeric and alphabetic and spaces and stuff
+	CS_NUMERAL,           ///< Only numeric ones
+	CS_ALPHA,             ///< Only alphabetic values
+};
+
+typedef uint32 WChar;
+
+#endif /* STRING_TYPE_H */