symbol sets: Fix ISOM2000 spelling (no hyphen)

Author: dg0yt

symbol sets/10000/ISOM-2000_10000.omap renamed to symbol sets/10000/ISOM2000_10000.omap

@@ -26,24 +26,24 @@ endif()
 set(Mapper_SYMBOL_SETS
   4000/ISSOM_4000.omap
   5000/ISSOM_5000.omap
-  10000/ISOM-2000_10000.omap
-  15000/ISOM-2000_15000.omap
+  10000/ISOM2000_10000.omap
+  15000/ISOM2000_15000.omap
 
   4000/ISSOM_cs_4000.omap
   5000/ISSOM_cs_5000.omap
-  10000/ISOM-2000_cs_10000.omap
-  15000/ISOM-2000_cs_15000.omap
+  10000/ISOM2000_cs_10000.omap
+  15000/ISOM2000_cs_15000.omap
 
   4000/ISSOM_fi_4000.omap
   5000/ISSOM_fi_5000.omap
-  10000/ISOM-2000_fi_10000.omap
-  15000/ISOM-2000_fi_15000.omap
+  10000/ISOM2000_fi_10000.omap
+  15000/ISOM2000_fi_15000.omap
 
   4000/ISSOM_fr_4000.omap
   5000/ISSOM_fr_5000.omap
 
-  10000/ISOM-2000_ru_10000.omap
-  15000/ISOM-2000_ru_15000.omap
+  10000/ISOM2000_ru_10000.omap
+  15000/ISOM2000_ru_15000.omap
 
   5000/ISMTBOM_5000.omap
   7500/ISMTBOM_7500.omap