Fixed: bootstrap(s).sh has failed if the build directory exists; api.lua has executes bit

Author: dedok

bootstrap.sh

@@ -8,7 +8,7 @@ cd third_party
 cd -
 
 # Common
-rm -r build && mkdir -p build && cd build
+rm -rf build && mkdir -p build && cd build
 
 if [[ "$OSTYPE" == "darwin"* ]]; then
   LIBS=$PWD/../third_party/mosquitto/build/lib/libmosquitto.dylib

test/api.lua

@@ -4,7 +4,7 @@ set -e -x
 
 cd mosquitto
 git checkout v1.4.10
-rm -r build
+rm -rf build
 mkdir -p build
 cd build