appease clang? with a better representation of these language names

Author: wez

src/arrays.cpp

@@ -558,7 +558,7 @@ iso639_lang known_languages[] = {
     {"nyn", NULL, "Nyankole"},
     {"nyo", NULL, "Nyoro"},
     {"nzi", NULL, "Nzima"},
-    {"oci", "oc", "Occitan (post 1500); Proven\u008dal"},
+    {"oci", "oc", "Occitan (post 1500); Proven\u00c7al"},
     {"oji", "oj", "Ojibwa"},
     {"ori", "or", "Oriya"},
     {"orm", "om", "Oromo"},
@@ -582,7 +582,7 @@ iso639_lang known_languages[] = {
     {"pon", NULL, "Pohnpeian"},
     {"por", "pt", "Portuguese"},
     {"pra", NULL, "Prakrit languages"},
-    {"pro", NULL, "Proven\u008dal, Old (to 1500)"},
+    {"pro", NULL, "Proven\u00c7al, Old (to 1500)"},
     {"pus", "ps", "Pushto"},
     //{ "qaa-qtz",	NULL,			"Reserved for local use" },
     {"que", "qu", "Quechua"},
@@ -692,7 +692,7 @@ iso639_lang known_languages[] = {
     {"vai", NULL, "Vai"},
     {"ven", "ve", "Venda"},
     {"vie", "vi", "Vietnamese"},
-    {"vol", "vo", "Volap\u009fk"},
+    {"vol", "vo", "Volap\u00fck"},
     {"vot", NULL, "Votic"},
     {"wak", NULL, "Wakashan languages"},
     {"wal", NULL, "Walamo"},