--- a/misc/libdvdnav.spec.in
+++ b/misc/libdvdnav.spec.in
@@ -21,7 +21,7 @@
 %setup
 
 %build
-CFLAGS="$RPM_OPT_FLAGS" ./configure --prefix=%{prefix} 
+CFLAGS="$RPM_OPT_FLAGS" ./configure --prefix=%{prefix}
 make
 
 %install