ios: correctly mask the PI irq on ios launch

Author: DacoTaco

libogc/ios.c

@@ -281,7 +281,7 @@ s32 __IOS_LaunchNewIOS(int version)
 	__ES_Reset();
 
 	// Mask IPC IRQ while we're busy reloading
-	__MaskIrq(IRQ_PI_ACR);
+	__MaskIrq(IM_PI_ACR);
 	irq_handler = IRQ_Free(IRQ_PI_ACR);
 
 #ifdef DEBUG_IOS
@@ -316,7 +316,7 @@ s32 __IOS_LaunchNewIOS(int version)
 #endif
 
 	IRQ_Request(IRQ_PI_ACR, irq_handler, NULL);
-    __UnmaskIrq(IRQ_PI_ACR);
+    __UnmaskIrq(IM_PI_ACR);
 
 	__IPC_Reinitialize();