testing/yara: adjust the path in workaround

Hope it builds now...

testing/yara/APKBUILD

@@ -18,7 +18,7 @@ prepare() {
 	# of flex, othwewise tests fail in some arches because of a bug
 	# in older version of flex.
 	# See: https://github.com/VirusTotal/yara/issues/771
-	rm "$srcdir"/yara-3.6.3/libyara/re_lexer.c
+	rm "$srcdir"/yara-3.7.0/libyara/re_lexer.c
 }
 
 build() {