Fix patch generation using system line separator causing all patches …

…to diff on windows (#39)

platform/src/main/java/net/neoforged/gradle/platform/runtime/runtime/tasks/GenerateSourcePatches.java

@@ -24,7 +24,7 @@ public abstract class GenerateSourcePatches extends DefaultRuntime implements Wi
     public GenerateSourcePatches() {
         getOriginalPrefix().convention("a/");
         getModifiedPrefix().convention("b/");
-        getLineEnding().convention(System.lineSeparator());
+        getLineEnding().convention("\n");
         getShouldOutputVerboseLogging().convention(false);
         getContextLines().convention(-1);
         getShouldCreateAutomaticHeader().convention(true);