examples: code cleanups

do a code cleanup by removing the tailing spaces

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>

examples/create_disk.c

@@ -7,7 +7,7 @@
 #include <unistd.h>
 #include <guestfs.h>
 
-int                                                                            
+int
 main (int argc, char *argv[])
 {
   guestfs_h *g;

examples/inspect_vm.c

@@ -21,7 +21,7 @@ count_strings (char *const *argv)
   return c;
 }
 
-int                                                                            
+int
 main (int argc, char *argv[])
 {
   guestfs_h *g;