tell user if drive could not be created because we run out of letters

Author: boeckmann

source/fdisk/cmd.c

@@ -139,6 +139,12 @@ void Command_Line_Create_Logical_DOS_Drive( void )
 
    Determine_Free_Space();
 
+   if ( Determine_Drive_Letters() >= 'Z' ) {
+      /* maximum number of Logical DOS Drives installed */
+      con_print( svarlang_str( 10, 71 ) );
+      exit( 9 );
+   }
+
    maximum_partition_size_in_MB = Max_Log_Part_Size_In_MB();
 
    maximum_possible_percentage = Convert_To_Percentage(