trim extra newlines in help texts

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/basename.c b/coreutils/basename.c
index 1f7a137..ab0c972 100644
--- a/coreutils/basename.c
+++ b/coreutils/basename.c
@@ -31,7 +31,7 @@
 //usage:#define basename_trivial_usage
 //usage:       "FILE [SUFFIX]"
 //usage:#define basename_full_usage "\n\n"
-//usage:       "Strip directory path and .SUFFIX from FILE\n"
+//usage:       "Strip directory path and .SUFFIX from FILE"
 //usage:
 //usage:#define basename_example_usage
 //usage:       "$ basename /usr/local/bin/foo\n"