trylink: produce even more info about final link stage

trylink: explain how to modify link and drastically decrease amount
  of padding (unfortunately, needs hand editing ATM).
*: add ALIGN1 / ALIGN2 to global strings and arrays of bytes and shorts

size saving: 0.5k

libbb/mtab_file.c

@@ -11,5 +11,5 @@
 
 /* Busybox mount uses either /proc/mounts or /etc/mtab to
  * get the list of currently mounted filesystems */
-const char bb_path_mtab_file[] =
+const char bb_path_mtab_file[] ALIGN1 =
 USE_FEATURE_MTAB_SUPPORT("/etc/mtab")SKIP_FEATURE_MTAB_SUPPORT("/proc/mounts");