Remove all trailing blanks; turn on the rule to detect them.

* Makefile.cfg (local-checks-to-skip): Remove sc_trailing_blank.
* .x-sc_trailing_blank: New file, to exempt the few binary files.

docs/devhelp/Makefile.am

@@ -19,7 +19,7 @@ libvirt.devhelp $(HTML_FILES): devhelp.xsl html.xsl $(top_srcdir)/docs/libvirt-a
 	-@(if [ -x $(XSLTPROC) ] ; then \
 	  $(XSLTPROC) --nonet -o $(srcdir)/libvirt.devhelp devhelp.xsl $(top_srcdir)/docs/libvirt-api.xml ; fi );
 
-install-data-local: 
+install-data-local:
 	$(mkinstalldirs) $(DESTDIR)$(DEVHELP_DIR)
 	-@INSTALL@ -m 0644 libvirt.devhelp $(DESTDIR)$(DEVHELP_DIR)
 	-@INSTALL@ -m 0644 $(EXTRA_FORMAT) $(DESTDIR)$(DEVHELP_DIR)

docs/devhelp/style.css

@@ -1,16 +1,16 @@
-.synopsis, .classsynopsis 
+.synopsis, .classsynopsis
 {
   background: #eeeeee;
   border: solid 1px #aaaaaa;
   padding: 0.5em;
 }
-.programlisting 
+.programlisting
 {
   background: #eeeeff;
   border: solid 1px #aaaaff;
   padding: 0.5em;
 }
-.variablelist 
+.variablelist
 {
   padding: 4px;
   margin-left: 3em;
@@ -19,39 +19,39 @@
 {
   vertical-align: top;
 }
-table.navigation 
+table.navigation
 {
   background: #ffeeee;
   border: solid 1px #ffaaaa;
   margin-top: 0.5em;
   margin-bottom: 0.5em;
 }
-.navigation a 
+.navigation a
 {
   color: #770000;
 }
-.navigation a:visited 
+.navigation a:visited
 {
   color: #550000;
 }
-.navigation .title 
+.navigation .title
 {
   font-size: 200%;
 }
-div.refnamediv 
+div.refnamediv
 {
   margin-top: 2em;
 }
-div.gallery-float 
+div.gallery-float
 {
   float: left;
   padding: 10px;
 }
-div.gallery-float img 
+div.gallery-float img
 {
   border-style: none;
 }
-div.gallery-spacer 
+div.gallery-spacer
 {
   clear: both;
 }