Removed trailing white space at end of lines

man2/signal.2

@@ -241,7 +241,7 @@ or
 .BR _SVID_SOURCE ;
 see
 .BR feature_test_macros (7).)
-.\" 
+.\"
 .\" System V semantics are also provided if one uses the separate
 .\" .BR sysv_signal (3)
 .\" function.

man3/MB_CUR_MAX.3

@@ -27,7 +27,7 @@ the maximum number of bytes needed to represent a single
 wide character in the current locale.
 It is locale dependent and therefore not a compile-time constant.
 .SH "RETURN VALUE"
-An integer in the range [1, 
+An integer in the range [1,
 .BR MB_LEN_MAX ].
 The value 1 denotes traditional 8-bit encoded characters.
 .SH "CONFORMING TO"

man5/proc.5

@@ -2447,7 +2447,7 @@ or cpusets
 and those nodes reach memory exhaustion status,
 one process may be killed by the OOM-killer.
 No panic occurs in this case:
-because other nodes' memory may be free, 
+because other nodes' memory may be free,
 this means the system as a whole may not have reached
 an out-of-memory situation yet.
 

man7/tcp.7

@@ -203,7 +203,7 @@ if
 .I tcp_adv_win_scale
 is greater than 0; or
 .IR "bytes-bytes/2^(\-tcp_adv_win_scale)" ,
-if 
+if
 .I tcp_adv_win_scale
 is less than or eqaul to zero.