pretty.c: inline initalize format_context

Instead of memsetting and then initializing the fields in the struct,
move the initialization of `format_context` to its assignment.

Signed-off-by: Denton Liu <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: Denton-L

pretty.c

@@ -1612,14 +1612,14 @@ void repo_format_commit_message(struct repository *r,
 				const char *format, struct strbuf *sb,
 				const struct pretty_print_context *pretty_ctx)
 {
-	struct format_commit_context context;
+	struct format_commit_context context = {
+		.commit = commit,
+		.pretty_ctx = pretty_ctx,
+		.wrap_start = sb->len
+	};
 	const char *output_enc = pretty_ctx->output_encoding;
 	const char *utf8 = "UTF-8";
 
-	memset(&context, 0, sizeof(context));
-	context.commit = commit;
-	context.pretty_ctx = pretty_ctx;
-	context.wrap_start = sb->len;
 	/*
 	 * convert a commit message to UTF-8 first
 	 * as far as 'format_commit_item' assumes it in UTF-8