Correct many whitespace errors under libcelt/ and remove

non-ascii characters from the source.

libcelt/modes.h

@@ -1,19 +1,19 @@
 /* Copyright (c) 2007-2008 CSIRO
    Copyright (c) 2007-2009 Xiph.Org Foundation
-   Copyright (c) 2008 Gregory Maxwell 
+   Copyright (c) 2008 Gregory Maxwell
    Written by Jean-Marc Valin and Gregory Maxwell */
 /*
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
-   
+
    - Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
-   
+
    - Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
-   
+
    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -65,7 +65,7 @@ typedef struct {
 } PulseCache;
 
 /** Mode definition (opaque)
- @brief Mode definition 
+ @brief Mode definition
  */
 struct CELTMode {
    opus_int32 Fs;
@@ -75,10 +75,10 @@ struct CELTMode {
    int          effEBands;
    opus_val16    preemph[4];
    const opus_int16   *eBands;   /**< Definition for each "pseudo-critical band" */
-   
+
    int          nbAllocVectors; /**< Number of lines in the matrix below */
    const unsigned char   *allocVectors;   /**< Number of bits in each band for several rates */
-   
+
    /* Stuff that could go in the {en,de}coder, but we save space this way */
    mdct_lookup mdct;