Update dependencies and fix whitespace errors

- replace tabs with spaces
- remove trailing whitespace

1 files changed, 2 insertions, 2 deletions

diff --git a/src/Fl_lock.cxx b/src/Fl_lock.cxx
index d7bdf9c34..117d047a5 100644
--- a/src/Fl_lock.cxx
+++ b/src/Fl_lock.cxx
@@ -179,10 +179,10 @@ int Fl::awake(Fl_Awake_Handler func, void *data) {
     argument will trigger event loop handling in the main thread. Since
     it is not possible to call Fl::flush() from a subsidiary thread,
     Fl::awake() is the best (and only, really) substitute.
- 
+
     It's \e not necessary to wrap calls to any form of Fl::awake() by Fl::lock() and Fl::unlock().
     Nevertheless, the early, single call to Fl::lock() used to initialize threading support is necessary.
- 
+
     Function Fl::awake() in all its forms is typically called by worker threads, but it can be used safely
     by the main thread too, as a means to break the event loop.