Cleaning up language parsing a little bit.

include/dawn/locale/language.h

@@ -10,6 +10,9 @@
 #include "../file/asset.h"
 #include "../file/csv.h"
 
+#define LANGUAGE_HEADER_KEY "Key"
+#define LANGUAGE_HEADER_VALUE "Value"
+
 /** Definition for a Language */
 typedef struct {
   /** The buffer to read the asset from. */