libext2fs: Replace use of sprintf with strcpy/strcat to help SILO

Some bootloaders, like SILO, don't provide sprintf in their limited
bootloader environment.  Since the uses in rw_bitmaps.c is only doing
sprintf("foo %s"), it's easy to replace that usage with strcpy/strcat.

Addresses-Sourceforge-Bug: #2049120

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2 files changed