Update envcov.sh

Fix a bug that env.sh was not found when you call ``getcov`` form outside the XcodeCoverage folder

Author: barrault01

envcov.sh

@@ -10,6 +10,7 @@ ENV_DIR="${DIR}"
 if [[ $DIR == *Pods/XcodeCoverage* ]]
 then
    echo "Using Cocoapods!"
+   cd ${DIR}
    cd ..
    cd ..
 
@@ -37,4 +38,4 @@ OBJ_DIR=${OBJECT_FILE_DIR_normal}/${CURRENT_ARCH}
 # Fix for the new LLVM-COV that requires gcov to have a -v paramter
 LCOV() {
 	${LCOV_PATH}/lcov "$@" --gcov-tool ${XCODECOVERAGE_PATH}/llvm-cov-wrapper.sh
-}
+}