[Fixes #972] 1-arg lambdas with explicit typing on the argument did not pretty print correctly.

test/pretty/resource/before/Lambda.java

@@ -5,4 +5,20 @@ public class Lambda {
 	java.util.Comparator<Integer> c2 = (Integer a, Integer b) -> {
 		return a - b;
 	};
-}
+	java.util.function.Function<String, String> fnc = (String c) -> c;
+	
+	void testLambdaInArgsList(String name, java.util.function.Function<String, String> f) {
+		
+	}
+	
+	void testLambdaInArgsList2(java.util.function.Function<String, String> f, String name) {
+		
+	}
+	
+	void test() {
+		testLambdaInArgsList("hello", (String c) -> c);
+		testLambdaInArgsList("hello", c -> c);
+		testLambdaInArgsList2((String c) -> c, "hello");
+		testLambdaInArgsList2(c -> c, "hello");
+	}
+}