White space spring cleaning

Lets squash them all, with a bit of tooling help.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/gcompat.h b/gcompat.h
index 8b8461a..e0f7444 100644
--- a/gcompat.h
+++ b/gcompat.h
@@ -12,7 +12,7 @@
 void gtk_combo_box_text_insert_text(GtkComboBoxText *combo_box, gint position, const gchar *text);
 void gtk_combo_box_text_prepend_text(GtkComboBoxText *combo_box, const gchar *text);
 void gtk_combo_box_text_remove(GtkComboBoxText *combo_box, gint position);
-gchar *gtk_combo_box_text_get_active_text  (GtkComboBoxText *combo_box);
+gchar *gtk_combo_box_text_get_active_text(GtkComboBoxText *combo_box);
 
 #define GTK_COMBO_BOX_TEXT	GTK_COMBO_BOX
 #endif /* GTK_MAJOR_VERSION <= 2 && GTK_MINOR_VERSION < 24 */