Removed trailing white space at end of lines

Changes

@@ -172,7 +172,7 @@ setbuf.3
         Fixes http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=488104.
     mtk
         Other minor rewordings.
-     
+
 shm_open.3
     mtk
         SEE ALSO: add shm_overview(7).

man2/sigaction.2

@@ -251,7 +251,7 @@ also fills in
 .\" was *still* used as the unit to return the info these fields,
 .\" with the result that the field values depended on the the
 .\" configured HZ.  Of course, the should have been measured in
-.\" USER_HZ instead, so that sysconf(_SC_CLK_TCK) could be used to 
+.\" USER_HZ instead, so that sysconf(_SC_CLK_TCK) could be used to
 .\" convert to seconds.  I have a queued patch to fix this:
 .\" http://thread.gmane.org/gmane.linux.kernel/698061/ .
 .\" Maybe it will make it into 2.6.27.

man2/sigreturn.2

@@ -38,7 +38,7 @@ return from the signal handler,
 .BR sigreturn ()
 will be called.
 
-This 
+This
 .BR sigreturn ()
 call undoes everything that was
 done\(emchanging the process's signal mask, switching stacks (see

man3/getgrouplist.3

@@ -99,7 +99,7 @@ This function is non-standard; it appears on most BSDs.
 In glibc versions before 2.3.3,
 the implementation of this function contains a buffer-overrun bug:
 it returns the complete list of groups for
-.IR user 
+.IR user
 in the array
 .IR groups ,
 even when the number of groups exceeds
@@ -145,7 +145,7 @@ main(int argc, char *argv[])
         exit(EXIT_FAILURE);
     }
 
-    ngroups = atoi(argv[2]); 
+    ngroups = atoi(argv[2]);
 
     groups = malloc(ngroups * sizeof (gid_t));
     if (groups == NULL) {
@@ -178,7 +178,7 @@ main(int argc, char *argv[])
         if (gr != NULL)
             printf(" (%s)", gr\->gr_name);
         printf("\\n");
-    } 
+    }
 
     exit(EXIT_SUCCESS);
 }

man3/getutent.3

@@ -228,7 +228,7 @@ parameter gives these functions a place to store their result.
 On success they return 0, and a pointer to the result is written in
 .IR *ubufp .
 On error these functions return \-1.
-There are no utmpx equivalents of the above functions.  
+There are no utmpx equivalents of the above functions.
 (POSIX.1 does not sdpecify such functions.)
 .SH EXAMPLE
 The following example adds and removes a utmp record, assuming it is run