test: Fix syntax error in misc_naming_recursion test (#5529)

I don't see anything in #2615 indicating that this syntax error was
intentional. The test still passes after this change.

semgrep-core/tests/ts/misc_naming_recursion.ts

@@ -8,7 +8,7 @@ export function foobar(
 ) {
 
   //ERROR: match
-m  return Array(number)
+  return Array(number)
     //ERROR: match
     .fill(true)
     //ERROR: match