Fix cpplint whitespace/blank_line issues

Change-Id: Ice937e95e23dd622c17054551d4ae4cebd0ef8a2
diff --git a/runtime/gc/space/large_object_space.cc b/runtime/gc/space/large_object_space.cc
index f7d776f..6aedd9c 100644
--- a/runtime/gc/space/large_object_space.cc
+++ b/runtime/gc/space/large_object_space.cc
@@ -49,9 +49,7 @@
 
 LargeObjectMapSpace::LargeObjectMapSpace(const std::string& name)
     : LargeObjectSpace(name),
-      lock_("large object map space lock", kAllocSpaceLock) {
-
-}
+      lock_("large object map space lock", kAllocSpaceLock) {}
 
 LargeObjectMapSpace* LargeObjectMapSpace::Create(const std::string& name) {
   return new LargeObjectMapSpace(name);
@@ -147,9 +145,7 @@
   AddFreeChunk(begin_, end_ - begin_, NULL);
 }
 
-FreeListSpace::~FreeListSpace() {
-
-}
+FreeListSpace::~FreeListSpace() {}
 
 void FreeListSpace::AddFreeChunk(void* address, size_t size, Chunk* previous) {
   Chunk* chunk = ChunkFromAddr(address);