Fixed wrong operator usage in 2 scripts

If those fixes are wrong blame it on me!

npc/other/arena/arena_aco.txt

@@ -1086,7 +1086,7 @@ prt_are_in,25,31,3	script	Staff#aco-2	67,{
 	set .@hour_endaco, .@end_timeaco / 10000;
 	set .@min_endaco, ((.@end_timeaco % 10000) / 100);
 	set .@sec_endaco, .@end_timeaco % 100;
-	if ((.@hour_startaco == 23) & (.@hour_endaco == 0)) {
+	if ((.@hour_startaco == 23) && (.@hour_endaco == 0)) {
 		set .@hour_endaco,24;
 	}
 	set .@st_to_secaco, ((.@hour_startaco * 3600) + (.@min_startaco * 60) + (.@sec_startaco));

npc/quests/quests_13_2.txt

@@ -2772,7 +2772,7 @@ manuk,252,116,3	script	Manuk Galtun#ep13_2day	450,{
 		else if (ep13_2_days01 == 1) {
 			set .@qst_cpl01,checkquest(7074,HUNTING);
 			set .@qst_cpl02,checkquest(7075,HUNTING);
-			if ((.@qst_cpl01 == 2) & (.@qst_cpl02 == 2)) {
+			if ((.@qst_cpl01 == 2) && (.@qst_cpl02 == 2)) {
 				mes "[Strom]";
 				mes "Sure enough... I, the Sapha Galtun, Strom, apologize to you. I should not have been so quick to despise you.";
 				mes "I admit that you are a brave soldier, please feel free to visit Manuk.";