Fix for Ubuntu 14.04 compile

[ydkhatri]

Fixes this compilation error:

/home/class/apfs-fuse2/apfs-fuse/3rdparty/lzfse/src/lzfse_fse.h:564:3: error: ‘for’ loop initial declarations are only allowed in C99 mode
   for (int i = 0; i < table_size; i++) {
   ^
/home/class/apfs-fuse2/apfs-fuse/3rdparty/lzfse/src/lzfse_fse.h:564:3: note: use option -std=c99 or -std=gnu99 to compile your code
make[2]: *** [CMakeFiles/lzfse.dir/3rdparty/lzfse/src/lzfse_decode.c.o] Error 1
make[1]: *** [CMakeFiles/lzfse.dir/all] Error 2
make: *** [all] Error 2