Fix a small inaccuracy in dmaFail, unlikely to have affected anything

Author: opa334

Application/Dopamine/Exploits/dmaFail/dmaFail.c

@@ -177,7 +177,7 @@ void dma_ctrl_2(bool flag)
         }
     }
     else {
-        if ((value & 0x1000000000000000) == 0) {
+        if ((value & 0x1000000000000000) != 0) {
             value &= ~0x1000000000000000;
             physwrite64_mapped(ctrl, value);
         }