v.parser: reduce calls to util.contains_capital

vlib/v/parser/fn.v

@@ -347,8 +347,8 @@ fn (mut p Parser) fn_decl() ast.FnDecl {
 			check_name = if language == .js { p.check_js_name() } else { p.check_name() }
 			name = check_name
 		}
-		if language == .v && !p.pref.translated && !p.is_translated
+		if language == .v && !p.pref.translated && !p.is_translated && !p.builtin_mod
-			&& util.contains_capital(check_name) && !p.builtin_mod {
+			&& util.contains_capital(check_name) {
 			p.error_with_pos('function names cannot contain uppercase letters, use snake_case instead',
 				name_pos)
 			return ast.FnDecl{

vlib/v/parser/parser.v

@@ -2382,8 +2382,8 @@ fn (mut p Parser) const_decl() ast.ConstDecl {
 			typ = p.parse_type()
 			is_virtual_c_const = true
 		}
-		if !p.pref.translated && !p.is_translated && util.contains_capital(name)
+		if !p.pref.translated && !p.is_translated && !is_virtual_c_const
-			&& !is_virtual_c_const {
+			&& util.contains_capital(name) {
 			p.error_with_pos('const names cannot contain uppercase letters, use snake_case instead',
 				pos)
 		}