scons: whitespace cleanup

This text transformation was done automatically via the following shell
command:

$ find -name SCons\* -exec sed -i s/\\s\\+$// '{}' \;

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

src/mapi/shared-glapi/SConscript

@@ -40,7 +40,7 @@ def mapi_objects(env, printer, mode):
         '#/src',
         '#/src/mapi',
     ]
-    
+
     cppdefines = mapi_defines[mode] + [
         'MAPI_ABI_HEADER=\\"%s\\"' % (header_name),
     ]