Snippets for apg 2.2.3 from Alpine armhf

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-armhf/main/apg/apg-2.2.3-r7.log.

• apgbfm.c:82:7: warning: variable 'case_insensitive_flag' set but not used [-Wunused-but-set-variable]
     82 |  flag case_insensitive_flag = FALSE; /* -q */
        |       ^~~~~~~~~~~~~~~~~~~~~