Fix warning in FileStream.cpp.

StormLib/src/FileStream.cpp:1374:20: warning: converting ‘false’ to pointer type ‘TFileStream*’ [-Wconversion-null]
             return false;
                    ^
StormLib/src/FileStream.cpp:2266:24: warning: converting ‘false’ to pointer type ‘TFileStream*’ [-Wconversion-null]
                 return false;
                        ^

1 files changed, 2 insertions, 2 deletions

diff --git a/src/FileStream.cpp b/src/FileStream.cpp
index 963aae8..f4a4c5a 100644
--- a/src/FileStream.cpp
+++ b/src/FileStream.cpp
@@ -1371,7 +1371,7 @@ static TFileStream * FlatStream_Open(const TCHAR * szFileName, DWORD dwStreamFla
     {
         // Attempt to open the base stream
         if(!pStream->BaseOpen(pStream, pStream->szFileName, dwStreamFlags))
-            return false;
+            return NULL;
 
         // Load the bitmap, if required to
         if(dwStreamFlags & STREAM_FLAG_USE_BITMAP)
@@ -2263,7 +2263,7 @@ static TFileStream * Block4Stream_Open(const TCHAR * szFileName, DWORD dwStreamF
             if(NewBaseArray == NULL)
             {
                 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
-                return false;
+                return NULL;
             }
 
             // Copy the old base data array to the new base data array