add SQL_CATALOG and SQL_LOG filename variables

[wxWidgets.git] / src / common / doslex.c

diff --git a/src/common/doslex.c b/src/common/doslex.c
index 3dbdde99eda55b24a2917bc31c5e232efb71a95f..bbf61f0eaccdbf42c563925be99a6ea50a19a885 100644 (file)
--- a/src/common/doslex.c
+++ b/src/common/doslex.c
@@ -252,7 +252,9 @@ static int my_unput(char);
        if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
            YY_FATAL_ERROR( "read() in flex scanner failed" );
 #else
-# undef unput
+# ifndef unput
+#  undef unput
+# endif
 # define unput(_c) my_unput(_c)
 #endif