modpost: use strstarts() to clean up parse_source_files()

No functional changes are intended.

Signed-off-by: Masahiro Yamada <[e-mail]>
Reviewed-by: Nicolas Schier <[e-mail]>

scripts/mod/sumversion.c

···
 			line++;
 		p = line;
 
-		if (strncmp(line, "source_", sizeof("source_")-1) == 0) {
+		if (strstarts(line, "source_")) {
 			p = strrchr(line, ' ');
 			if (!p) {
 				warn("malformed line: %s\n", line);
···
 			}
 			continue;
 		}
-		if (strncmp(line, "deps_", sizeof("deps_")-1) == 0) {
+		if (strstarts(line, "deps_")) {
 			check_files = 1;
 			continue;
 		}