Reindent json.c and jsonfuncs.c.

This will help in preparation of clean patches for upcoming
json work.

src/backend/utils/adt/json.c

@@ -751,11 +751,12 @@ json_lex_string(JsonLexContext *lex)
 								 report_json_context(lex)));
 
 					/*
-					 * For UTF8, replace the escape sequence by the actual utf8
-					 * character in lex->strval. Do this also for other encodings
-					 * if the escape designates an ASCII character, otherwise
-					 * raise an error. We don't ever unescape a \u0000, since that
-					 * would result in an impermissible nul byte.
+					 * For UTF8, replace the escape sequence by the actual
+					 * utf8 character in lex->strval. Do this also for other
+					 * encodings if the escape designates an ASCII character,
+					 * otherwise raise an error. We don't ever unescape a
+					 * \u0000, since that would result in an impermissible nul
+					 * byte.
 					 */
 
 					if (ch == 0)
@@ -771,8 +772,9 @@ json_lex_string(JsonLexContext *lex)
 					else if (ch <= 0x007f)
 					{
 						/*
-						 * This is the only way to designate things like a form feed
-						 * character in JSON, so it's useful in all encodings.
+						 * This is the only way to designate things like a
+						 * form feed character in JSON, so it's useful in all
+						 * encodings.
 						 */
 						appendStringInfoChar(lex->strval, (char) ch);
 					}
@@ -1246,13 +1248,14 @@ datum_to_json(Datum val, bool is_null, StringInfo result,
 			break;
 		case TYPCATEGORY_NUMERIC:
 			outputstr = OidOutputFunctionCall(typoutputfunc, val);
+
 			/*
 			 * Don't call escape_json here if it's a valid JSON number.
 			 */
 			dummy_lex.input = *outputstr == '-' ? outputstr + 1 : outputstr;
 			dummy_lex.input_length = strlen(dummy_lex.input);
 			json_lex_number(&dummy_lex, dummy_lex.input, &numeric_error);
-			if (! numeric_error)
+			if (!numeric_error)
 				appendStringInfoString(result, outputstr);
 			else
 				escape_json(result, outputstr);