tools/flask: Strip trailing whitespace

No functional change.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Daniel P. Smith <dpsmith@apertussolutions.com>

tools/flask/policy/modules/modules.conf

@@ -42,7 +42,7 @@ xenstore = on
 all_system_role = on
 
 # Example users, roles, and constraints for user-based separation.
-# 
+#
 # The three users defined here can set up grant/event channel communication
 # (vchan, device frontend/backend) between their own VMs, but cannot set up a
 # channel to a VM under a different user.

tools/flask/policy/modules/vm_role.cons

@@ -3,7 +3,7 @@
 #
 # constrain class_set perm_set expression ;
 #
-# expression : ( expression ) 
+# expression : ( expression )
 #	     | not expression
 #	     | expression and expression
 #	     | expression or expression
@@ -17,7 +17,7 @@
 #	     | t1 op names
 #	     | t2 op names
 #
-# op : == | != 
+# op : == | !=
 # role_op : == | != | eq | dom | domby | incomp
 #
 # names : name | { name_list }

tools/flask/policy/policy/mls

@@ -1,6 +1,6 @@
 ifdef(`enable_mls',`
 #
-# Define sensitivities 
+# Define sensitivities
 #
 # Domination of sensitivities is in increasin
 # numerical order, with s0 being the lowest

tools/flask/policy/policy/support/misc_macros.spt

@@ -21,7 +21,7 @@ define(`ifndef',`ifdef(`$1',`$3',`$2')')
 #
 # __endline__
 #
-# dummy macro to insert a newline.  used for 
+# dummy macro to insert a newline.  used for
 # errprint, so the close parentheses can be
 # indented correctly.
 #