[HIP] fix formatting/code clean up and fix a bug

src/hip_hcc.cpp

@@ -1619,7 +1619,7 @@ void ihipPrintKernelLaunch(const char* kernelName, const grid_launch_parm* lp,
 // Allows runtime to track some information about the stream.
 hipStream_t ihipPreLaunchKernel(hipStream_t stream, dim3 grid, dim3 block, grid_launch_parm* lp,
                                 const char* kernelNameStr, bool lockAcquired) {
-    if (stream == nullptr || stream != stream->getCtx()->_defaultStream){
+    if (stream == nullptr || stream != stream->getCtx()->_defaultStream) {
         stream = ihipSyncAndResolveStream(stream, lockAcquired);
     }
     lp->grid_dim.x = grid.x;