Removed trailing white space at end of lines

man2/execve.2

@@ -504,7 +504,7 @@ resource limit changes, then the value reported by
 will also change,
 to reflect the fact that the limit on space for holding
 command-line arguments and environment variables has changed.
-.\" 
+.\"
 .\" .SH BUGS
 .\" Some Linux versions have failed to check permissions on ELF
 .\" interpreters.  This is a security hole, because it allows users to

man2/mount.2

@@ -401,7 +401,7 @@ of the namespace of the process that called
 .BR clone ();
 or it calls
 .BR unshare (2)
-with the 
+with the
 .BR CLONE_NEWNS
 flag,
 which causes the caller's namespace to obtain a private copy

man3/ctime.3

@@ -256,7 +256,7 @@ normalized (so that, for example, 40 October is changed into 9 November);
 .I tm_isdst
 is set (regardless of its initial value)
 to a positive value or to 0, respectively,
-to indicate whether DST is or is not in effect at the specified time. 
+to indicate whether DST is or is not in effect at the specified time.
 Calling
 .BR mktime ()
 also sets the external variable \fItzname\fP with

man5/proc.5

@@ -1308,7 +1308,7 @@ kernel.
 .I /proc/mounts
 Before kernel 2.4.19, this file was a list
 of all the file systems currently mounted on the system.
-With the introduction of per-process namespaces in 
+With the introduction of per-process namespaces in
 Linux 2.4.19, this file became a link to
 .IR /proc/self/mounts ,
 which lists the mount points of the process's own namespace.