Removed trailing white space at end of lines

man2/ioprio_set.2

@@ -71,7 +71,7 @@ is 0, then operate on the process group of which the caller is a member.
 .I who
 is a user ID identifying all of the processes that
 have a matching real UID.
-.\" FIXME who==0 needs to be documented, 
+.\" FIXME who==0 needs to be documented,
 .\" See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652443
 .PP
 If

man2/ptrace.2

@@ -1750,7 +1750,7 @@ from an
 file descriptor.
 The usual symptom of this bug is that when you attach to
 a quiescent process with the command
-    
+
     strace -p <process-ID>
 
 then, instead of the usual

man3/strcpy.3

@@ -66,7 +66,7 @@ If the length of
 is less than
 .IR n ,
 .BR strncpy ()
-writes additional null bytes to 
+writes additional null bytes to
 .I dest
 to ensure that a total of
 .I n
@@ -151,7 +151,7 @@ This function is similar to
 .BR strncpy (),
 but it copies at most
 .I size\-1
-bytes to 
+bytes to
 .IR dest ,
 always adds a terminating null byte,
 and does not pad the target with (further) null bytes.