Fix for loop conversion when multiple initializers are present

#KT-35074 fixed

nj2k/testData/newJ2k/for/emptyInitializers.java

@@ -0,0 +1,7 @@
+public class SomeClass {
+    void doSomeFor() {
+        int i = 0, u = 0;
+        for (; i < 42; i++) {
+        }
+    }
+}

nj2k/testData/newJ2k/for/emptyInitializers.kt

@@ -0,0 +1,9 @@
+class SomeClass {
+    fun doSomeFor() {
+        var i = 0
+        val u = 0
+        while (i < 42) {
+            i++
+        }
+    }
+}

nj2k/testData/newJ2k/for/multipleInitializers.java

@@ -0,0 +1,7 @@
+public class SomeClass {
+    void doSomeFor() {
+        int i, u;
+        for (i = 0, u = 0; i < 42; i++) {
+        }
+    }
+}

nj2k/testData/newJ2k/for/multipleInitializers.kt

@@ -0,0 +1,11 @@
+class SomeClass {
+    fun doSomeFor() {
+        var i: Int
+        val u: Int
+        i = 0
+        u = 0
+        while (i < 42) {
+            i++
+        }
+    }
+}

nj2k/testData/newJ2k/for/multipleInitializersWithvariableDeclarations.java

@@ -0,0 +1,6 @@
+public class SomeClass {
+    void doSomeFor() {
+        for (int i = 0, u = 0; i < 42; i++) {
+        }
+    }
+}

nj2k/testData/newJ2k/for/multipleInitializersWithvariableDeclarations.kt

@@ -0,0 +1,9 @@
+class SomeClass {
+    fun doSomeFor() {
+        var i = 0
+        val u = 0
+        while (i < 42) {
+            i++
+        }
+    }
+}