Also apply job control fix to 4.4

(refs tianon#45, see tianon#46 (comment))

Author: tianon

Diff for: 4.4/Dockerfile

@@ -115,7 +115,7 @@ RUN set -eux; \
 		wget -O "support/$f" "https://git.savannah.gnu.org/cgit/config.git/plain/$f?id=7d3d27baf8107b630586c962c057e22149653deb"; \
 	done; \
 {{ ) end -}}
-{{ if env.version | IN("3.0", "3.1", "3.2", "4.0", "4.1", "4.2", "4.3") then ( -}}
+{{ if env.version | IN("3.0", "3.1", "3.2", "4.0", "4.1", "4.2", "4.3", "4.4") then ( -}}
 # https://github.com/tianon/docker-bash/pull/45
 	export CFLAGS='-Wno-error=implicit-int -Wno-error=implicit-function-declaration'; \
 {{ ) else "" end -}}