sslh: musl breakage

[jmccrohan]

make[4]: Entering directory '/home/jmccrohan/src/openwrt/build_dir/target-mips_34kc_musl-1.1.10/sslh-v1.17'
mips-openwrt-linux-musl-gcc -Os -pipe -mno-branch-likely -mips32r2 -mtune=34kc -fno-caller-saves -fhonour-copts -Wno-error=unused-but-set-variable -msoft-float -mips16 -minterlink-mips16  -c probe.c
probe.c: In function 'regex_probe':
probe.c:232:50: error: 'REG_STARTEND' undeclared (first use in this function)
     for (; *probe && regexec(*probe, p, 0, &pos, REG_STARTEND); probe++)
                                                  ^
probe.c:232:50: note: each undeclared identifier is reported only once for each function it appears in
Makefile:43: recipe for target 'probe.o' failed
make[4]: *** [probe.o] Error 1
make[4]: Leaving directory '/home/jmccrohan/src/openwrt/build_dir/target-mips_34kc_musl-1.1.10/sslh-v1.17'
Makefile:53: recipe for target '/home/jmccrohan/src/openwrt/build_dir/target-mips_34kc_musl-1.1.10/sslh-v1.17/.built' failed
make[3]: *** [/home/jmccrohan/src/openwrt/build_dir/target-mips_34kc_musl-1.1.10/sslh-v1.17/.built] Error 2
make[3]: Leaving directory '/home/jmccrohan/src/openwrt-packages/net/sslh'
package/Makefile:191: recipe for target 'package/feeds/packages/sslh/compile' failed
make[2]: *** [package/feeds/packages/sslh/compile] Error 2

[jmccrohan]

Upstream discussion: yrutschle/sslh#40