WS cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/asn1_compiler.c b/tools/asn1_compiler.c
index adabd41..03fb7e0 100644
--- a/tools/asn1_compiler.c
+++ b/tools/asn1_compiler.c
@@ -427,7 +427,7 @@
 				}
 				memcpy(tokens[tix].content, start, tokens[tix].size);
 				tokens[tix].content[tokens[tix].size] = 0;
-				
+
 				/* If it begins with a lowercase letter then
 				 * it's an element name
 				 */