Map all filetype's character styles to 'character' named style

data/filetypes.ada

@@ -6,7 +6,7 @@ word=keyword_1
 identifier=identifier_1
 number=number
 delimiter=operator
-character=string_1
+character=character
 charactereol=string_eol
 string=string_1
 stringeol=string_eol

data/filetypes.asm

@@ -14,7 +14,7 @@ mathinstruction=keyword_2
 register=type
 directive=preprocessor
 directiveoperand=keyword_3
-character=string_1
+character=character
 stringeol=string_eol
 extinstruction=keyword_4
 

data/filetypes.c

@@ -9,7 +9,7 @@ number=number_1
 word=keyword_1
 word2=keyword_2
 string=string_1
-character=string_1
+character=character
 uuid=other
 preprocessor=preprocessor
 operator=operator