Increase the maximum number of displayed tag collisions

diff -U5 -r nedit_official nedit_mod
diff -U5 -r nedit_official/source/tags.c nedit_mod/source/tags.c
--- nedit_official/source/tags.c	2008-05-09 16:37:20.000000000 +0200
+++ nedit_mod/source/tags.c	2008-05-21 02:37:00.000000000 +0200
@@ -70,11 +70,11 @@
 #include "../debug.h"
 #endif
 
 #define MAXLINE 2048
 #define MAX_TAG_LEN 256
-#define MAXDUPTAGS 100
+#define MAXDUPTAGS 300
 #define MAX_TAG_INCLUDE_RECURSION_LEVEL 5 
 
 /* Take this many lines when making a tip from a tag.
    (should probably be a language-dependent option, but...) */
 #define TIP_DEFAULT_LINES 4