some tabs to spaces

cd src
    grep -P -n '\t' *.c | grep -v "1:"
    cd ../include
    grep -P -n '\t' *.h | grep -v "1:"
    cd ..

side note: win/Qt/*.cpp are full of tabs

include/config.h

@@ -287,7 +287,7 @@
  *      commenting it out.
  */
 
-#define ENHANCED_SYMBOLS
+/* #define ENHANCED_SYMBOLS */
 
 /*
  *      If COMPRESS is defined, it should contain the full path name of your