Remove trailing white space with:

 for f in *.{h,c}; do sed -i .sed 's/[[:blank:]]*$//' $f; done
(Thanks to Nicolás Wolovick)

1 files changed, 1 insertions, 1 deletions

diff --git a/spinlock.h b/spinlock.h
index fdda016..0a9d8e2 100644
--- a/spinlock.h
+++ b/spinlock.h
@@ -1,7 +1,7 @@
 // Mutual exclusion lock.
 struct spinlock {
   uint locked;       // Is the lock held?
-  
+
   // For debugging:
   char *name;        // Name of lock.
   struct cpu *cpu;   // The cpu holding the lock.