Add travis trailing whitespace check (#116)

* Add travis trailing whitespace check

* Remove trailing white space

2 files changed, 4 insertions, 4 deletions

diff --git a/Firebase/Database/Core/Utilities/FPath.m b/Firebase/Database/Core/Utilities/FPath.m
index 485b903..5215596 100644
--- a/Firebase/Database/Core/Utilities/FPath.m
+++ b/Firebase/Database/Core/Utilities/FPath.m
@@ -175,11 +175,11 @@
     for (NSInteger i = self.pieceNum; i < self.pieces.count; i++) {
         [newPieces addObject:[self.pieces objectAtIndex:i]];
     }
-    
+
     for (NSInteger i = childPathObj.pieceNum; i < childPathObj.pieces.count; i++) {
         [newPieces addObject:[childPathObj.pieces objectAtIndex:i]];
     }
-    
+
     return [[FPath alloc] initWithPieces:newPieces andPieceNum:0];
 }
 
diff --git a/Firebase/Database/Core/Utilities/FTree.m b/Firebase/Database/Core/Utilities/FTree.m
index 8576ffb..8e7a334 100644
--- a/Firebase/Database/Core/Utilities/FTree.m
+++ b/Firebase/Database/Core/Utilities/FTree.m
@@ -107,11 +107,11 @@
     if(incSelf && !childFirst) {
         action(self);
     }
-    
+
     [self forEachChild:^(FTree* child) {
         [child forEachDescendant:action includeSelf:YES childrenFirst:childFirst];
     }];
-    
+
     if(incSelf && childFirst) {
         action(self);
     }