Fix mixin compat plugin logger name resolution

src/main/java/com/nerjal/moddingutils/compat/CompatMixinPlugin.java

@@ -17,12 +17,30 @@ public class CompatMixinPlugin implements IMixinConfigPlugin {
     Set<String> skippedModCompats = new HashSet<>();
     Logger logger;
 
+    private static int lastIndexOf(String target, String[] array) {
+        int x = array.length - 1;
+        while (x >= 0) {
+            String s = array[x--];
+            if (Objects.equals(s, target)) break;
+        }
+        return x;
+    }
+
     @Override
     public void onLoad(String mixinPackage) {
         String[] split = mixinPackage.split("\\.");
-        int x = split.length;
-        String s = split[--x];
-        while (s.isBlank() && x > 0) s = split[--x];
+        int x;
+        String s = null;
+        if ((x = lastIndexOf("mixin", split)) == -1) {
+            if ((x = lastIndexOf("mixins", split)) == -1) {
+                x = split.length;
+                s = split[--x];
+                while ((s.isBlank()) && x > 0) s = split[--x];
+            }
+        }
+        if (s == null) {
+            s = split[x];
+        }
         logger = LoggerFactory.getLogger(s+"/MixinCompat");
     }