grep: print the pcre2_jit_on value

When pcre2_jit_on is neither 1 nor 0, the BUG() call printed the value
of pcre1_jit_on.

Print the value of pcre2_jit_on instead.

Signed-off-by: Beat Bolli <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: bbolli

grep.c

@@ -559,7 +559,7 @@ static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt
 		pcre2_jit_stack_assign(p->pcre2_match_context, NULL, p->pcre2_jit_stack);
 	} else if (p->pcre2_jit_on != 0) {
 		BUG("The pcre2_jit_on variable should be 0 or 1, not %d",
-		    p->pcre1_jit_on);
+		    p->pcre2_jit_on);
 	}
 }