Don't divide by zero if sodium_allocarray() is called with count=0
Don't divide by zero if sodium_allocarray() is called with count=0

pmienk/libsodium,Payshares/libsodium,CyanogenMod/android_external_dnscrypt_libsodium,netroby/libsodium,paragonie-scott/libsodium,netroby/libsodium,pmienk/libsodium,rustyhorde/libsodium,donpark/libsodium,pyparallel/libsodium,tml/libsodium,pyparallel/libsodium,pyparallel/libsodium,eburkitt/libsodium,rustyhorde/libsodium,HappyYang/libsodium,mvduin/libsodium,zhuqling/libsodium,GreatFruitOmsk/libsodium,zhuqling/libsodium,eburkitt/libsodium,soumith/libsodium,zhuqling/libsodium,GreatFruitOmsk/libsodium,paragonie-scott/libsodium,kytvi2p/libsodium,eburkitt/libsodium,CyanogenMod/android_external_dnscrypt_libsodium,pmienk/libsodium,mvduin/libsodium,kytvi2p/libsodium,rustyhorde/libsodium,netroby/libsodium,Payshares/libsodium,soumith/libsodium,kytvi2p/libsodium,CyanogenMod/android_external_dnscrypt_libsodium,tml/libsodium,mvduin/libsodium,GreatFruitOmsk/libsodium,soumith/libsodium,JackWink/libsodium,tml/libsodium,HappyYang/libsodium,donpark/libsodium,JackWink/libsodium,HappyYang/libsodium,Payshares/libsodium,paragonie-scott/libsodium,JackWink/libsodium,donpark/libsodium,rustyhorde/libsodium