glcpp: Recognize plain "//" as a comment.

Found in glsl-orangebook-ch06-bump.(frag|vert).  This was resulting in
the comments getting passed through to the main compiler's lexer.

diff --git a/glcpp/glcpp-lex.l b/glcpp/glcpp-lex.l
index 0dea995..fabe756 100644 (file)
--- a/glcpp/glcpp-lex.l
+++ b/glcpp/glcpp-lex.l
@@ -60,7 +60,7 @@ HEXADECIMAL_INTEGER   0[xX][0-9a-fA-F]+[uU]?
 %%
 
        /* Single-line comments */
-"//"[^\n]+\n {
+"//"[^\n]*\n {
        yylineno++;
        yycolumn = 0;
        return NEWLINE;