Fixed opening file and not closing it.

This led to impossibility to delete file during incremental compilation.

compiler/backend/src/org/jetbrains/jet/codegen/inline/AnonymousObjectTransformer.java

@@ -79,7 +79,7 @@ public class AnonymousObjectTransformer {
                 if (file == null) {
                     throw new RuntimeException("Couldn't find virtual file for " + objectInternalName);
                 }
-                reader = new ClassReader(file.getInputStream());
+                reader = new ClassReader(file.contentsToByteArray());
             }
         }
         catch (IOException e) {

compiler/backend/src/org/jetbrains/jet/codegen/inline/InlineCodegen.java

@@ -154,7 +154,7 @@ public class InlineCodegen implements CallGenerator {
         MethodNode node;
         if (functionDescriptor instanceof DeserializedSimpleFunctionDescriptor) {
             VirtualFile file = InlineCodegenUtil.getVirtualFileForCallable((DeserializedSimpleFunctionDescriptor) functionDescriptor, state);
-            node = InlineCodegenUtil.getMethodNode(file.getInputStream(), asmMethod.getName(), asmMethod.getDescriptor());
+            node = InlineCodegenUtil.getMethodNode(file.contentsToByteArray(), asmMethod.getName(), asmMethod.getDescriptor());
 
             if (node == null) {
                 throw new RuntimeException("Couldn't obtain compiled function body for " + descriptorName(functionDescriptor));

compiler/backend/src/org/jetbrains/jet/codegen/inline/InlineCodegenUtil.java

@@ -75,7 +75,7 @@ public class InlineCodegenUtil {
 
     @Nullable
     public static MethodNode getMethodNode(
-            InputStream classData,
+            byte[] classData,
             final String methodName,
             final String methodDescriptor
     ) throws ClassNotFoundException, IOException {