Removed unintentional trailing spaces in non-external and non-generated C files.
diff --git a/Modules/_bz2module.c b/Modules/_bz2module.c
index f284cd6..51da7ae 100644
--- a/Modules/_bz2module.c
+++ b/Modules/_bz2module.c
@@ -666,7 +666,7 @@
     self->unused_data = PyBytes_FromStringAndSize(NULL, 0);
     if (self->unused_data == NULL)
         goto error;
-    
+
     bzerror = BZ2_bzDecompressInit(&self->bzs, 0, 0);
     if (catch_bz2_error(bzerror))
         goto error;