scanner: join symbol list.

Removed a newline that caused a problem building the scanner in some
circumstances. Specifically:

'bad character' error  when executing

/bin/sh ../build-aux/ylwrap scan.l lex.yy.c scan.c -- flex

1 files changed, 1 insertions, 2 deletions

diff --git a/src/scan.l b/src/scan.l
index 7c9f092..181b28c 100644
--- a/src/scan.l
+++ b/src/scan.l
@@ -263,8 +263,7 @@ M4QEND      "]""]"
 			}
 	.		/* ignore spurious characters */
 }
-<ACTION,CODEBLOCK,ACTION_STRING,PERCENT_BRACE_ACTION,CHARACTER_CONSTANT,
-COMMENT,CODE_COMMENT>{
+<ACTION,CODEBLOCK,ACTION_STRING,PERCENT_BRACE_ACTION,CHARACTER_CONSTANT,COMMENT,CODE_COMMENT>{
    {M4QSTART}   ACTION_ECHO_QSTART;
    {M4QEND}     ACTION_ECHO_QEND;
 }