remove trailing whitespace

lib/krb5/krb5_init_context.3

@@ -156,7 +156,7 @@ Kerberos 5 Library (libkrb5, -lkrb5)
 .Fa "const char *filelist"
 .Fa "char ***pfilenames"
 .Fc
-.Ft krb5_error_code 
+.Ft krb5_error_code
 .Fo krb5_get_default_config_files
 .Fa "char ***pfilenames"
 .Fc
@@ -211,7 +211,7 @@ libs to
 This is done by
 .Fn krb5_init_context .
 .Pp
-.Fn krb5_add_et_list 
+.Fn krb5_add_et_list
 adds a
 .Xr com_err 3
 error-code handler
@@ -265,7 +265,7 @@ set the list of configuration files to use and re-initialize the
 configuration from the files.
 .Pp
 .Fn krb5_prepend_config_files
-parse the 
+parse the
 .Fa filelist
 and prepend the result to the already existing list
 .Fa pq
@@ -275,7 +275,7 @@ and should be freed with
 .Fn krb5_free_config_files .
 .Pp
 .Fn krb5_prepend_config_files_default
-parse the 
+parse the
 .Fa filelist
 and append that to the default
 list of configuration files.