OPEN-29 Cleanup: strip trailing whitespace

As people will have to rebuild half the tree anyway, because these
headers changed, we might as well prettify them a bit.

indra/llvfs/lldir_linux.h

 /** 
  * @file lldir_linux.h
- * @brief Definition of directory utilities class for linux 
+ * @brief Definition of directory utilities class for linux
  *
  * $LicenseInfo:firstyear=2000&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -57,7 +57,7 @@ class LLDir_Linux : public LLDir
 	DIR *mDirp;
 	int mCurrentDirIndex;
 	int mCurrentDirCount;
-	std::string mCurrentDir;	
+	std::string mCurrentDir;
 };
 
 #endif // LL_LLDIR_LINUX_H

indra/llvfs/lldir_solaris.h

@@ -54,7 +54,7 @@ class LLDir_Solaris : public LLDir
 	DIR *mDirp;
 	int mCurrentDirIndex;
 	int mCurrentDirCount;
-	std::string mCurrentDir;	
+	std::string mCurrentDir;
 };
 
 #endif // LL_LLDIR_SOLARIS_H

indra/llvfs/lldir_win32.h

@@ -52,7 +52,7 @@ class LLDir_Win32 : public LLDir
 
 private:
 	BOOL getNextFileInDir(const llutf16string &dirname, const std::string &mask, std::string &fname);
-	
+
 	void* mDirSearch_h;
 	llutf16string mCurrentDir;
 };