Fix trailing whitespace

src/lib/empthread/io.c

@@ -26,7 +26,7 @@
  *  ---
  *
  *  io.c: Arrange for input and output on a file descriptor to be queued.
- * 
+ *
  *  Known contributors to this file:
  *      Doug Hay, 1998
  *      Steve McClure, 1998

src/lib/empthread/lwp.c

@@ -26,7 +26,7 @@
  *  ---
  *
  *  lwp.c: Interface from Empire threads to LWP threads
- * 
+ *
  *  Known contributors to this file:
  *     Sasha Mikheev
  *     Markus Armbruster, 2006-2007

src/lib/empthread/ntthread.c

@@ -26,7 +26,7 @@
  *  ---
  *
  *  ntthread.c: Interface from Empire threads to Windows NT threads
- * 
+ *
  *  Known contributors to this file:
  *     Doug Hay, 1998
  *     Steve McClure, 1998
@@ -304,12 +304,12 @@ loc_BlockThisThread(void)
 static BOOL WINAPI
 loc_Exit_Handler(DWORD fdwCtrlType)
 {
-    switch (fdwCtrlType) { 
+    switch (fdwCtrlType) {
         case CTRL_C_EVENT:
         case CTRL_CLOSE_EVENT:
-        case CTRL_BREAK_EVENT: 
-        case CTRL_LOGOFF_EVENT: 
-        case CTRL_SHUTDOWN_EVENT: 
+        case CTRL_BREAK_EVENT:
+        case CTRL_LOGOFF_EVENT:
+        case CTRL_SHUTDOWN_EVENT:
 	    empth_request_shutdown();
             return TRUE;
         default:

src/lib/empthread/posix.c

@@ -26,7 +26,7 @@
  *  ---
  *
  *  posix.c: Thread-related code common to POSIX systems
- * 
+ *
  *  Known contributors to this file:
  *     Markus Armbruster, 2006
  */

src/lib/empthread/pthread.c

@@ -26,7 +26,7 @@
  *  ---
  *
  *  pthread.c: Interface from Empire threads to POSIX threads
- * 
+ *
  *  Known contributors to this file:
  *     Sasha Mikheev
  *     Steve McClure, 1998