Always checkout/checkin text files with lf endings

Different line endings on linux/windows prevents gradle from reusing
build cache since endings make task inputs completely different between
systems

compiler/testData/diagnostics/tests/enum/javaEnumWithAbstractFun.kt

@@ -1,17 +1,17 @@
 // FIR_IDENTICAL
-// !CHECK_TYPE
-// FILE: A.java
-public enum A {
-
-    ENTRY {
-        public String s() {
-            return "s";
-        }
-    };
-    public abstract String s();
-}
-
-// FILE: test.kt
-fun main() {
-    checkSubtype<String?>(A.ENTRY.s())
-}
+// !CHECK_TYPE
+// FILE: A.java
+public enum A {
+
+    ENTRY {
+        public String s() {
+            return "s";
+        }
+    };
+    public abstract String s();
+}
+
+// FILE: test.kt
+fun main() {
+    checkSubtype<String?>(A.ENTRY.s())
+}

compiler/testData/diagnostics/tests/redeclarations/PropertyAndInnerClass.kt

@@ -1,13 +1,13 @@
-public class A() {
-    public val <!REDECLARATION!>FOO<!>: String = "test"
-
-    public class <!REDECLARATION!>FOO<!>() { }
-}
-
-public class B() {
-   companion object {
-      public val <!REDECLARATION!>FOO<!>: String = "test"
-      
-      public class <!REDECLARATION!>FOO<!>() { }
-   }
-}
+public class A() {
+    public val <!REDECLARATION!>FOO<!>: String = "test"
+
+    public class <!REDECLARATION!>FOO<!>() { }
+}
+
+public class B() {
+   companion object {
+      public val <!REDECLARATION!>FOO<!>: String = "test"
+      
+      public class <!REDECLARATION!>FOO<!>() { }
+   }
+}

compiler/testData/diagnostics/tests/redeclarations/kt2418.kt

@@ -1,27 +1,27 @@
-//KT-2418 Front-end allows enum constants with same name
-
-package kt2418
-
-enum class A {
-    <!REDECLARATION!>FOO<!>,
-    <!REDECLARATION!>FOO<!>
-}
-
-enum class B {
-    FOO;
-    
-    fun FOO() {}
-}
-
-enum class C {
-    <!REDECLARATION!>FOO<!>;
-    
-    val <!REDECLARATION!>FOO<!> = 1
-}
-
-enum class D {
-    <!REDECLARATION!>FOO<!>;
-    
-    class <!REDECLARATION!>FOO<!> {}
-}
-
+//KT-2418 Front-end allows enum constants with same name
+
+package kt2418
+
+enum class A {
+    <!REDECLARATION!>FOO<!>,
+    <!REDECLARATION!>FOO<!>
+}
+
+enum class B {
+    FOO;
+    
+    fun FOO() {}
+}
+
+enum class C {
+    <!REDECLARATION!>FOO<!>;
+    
+    val <!REDECLARATION!>FOO<!> = 1
+}
+
+enum class D {
+    <!REDECLARATION!>FOO<!>;
+    
+    class <!REDECLARATION!>FOO<!> {}
+}
+