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, 2 insertions, 2 deletions

diff --git a/sysproc.c b/sysproc.c
index 027a5e5..6b585e0 100644
--- a/sysproc.c
+++ b/sysproc.c
@@ -61,7 +61,7 @@ sys_sleep(void)
 {
   int n;
   uint ticks0;
-  
+
   if(argint(0, &n) < 0)
     return -1;
   acquire(&tickslock);
@@ -83,7 +83,7 @@ int
 sys_uptime(void)
 {
   uint xticks;
-  
+
   acquire(&tickslock);
   xticks = ticks;
   release(&tickslock);