Update build.sh

build.sh

@@ -54,9 +54,9 @@ fi
 # Make sure that packages.config exist.
 if [ ! -f "$TOOLS_DIR/packages.config" ]; then
     echo "Downloading packages.config..."
-    curl -Lsfo "$TOOLS_DIR/packages.config" http://cakebuild.net/download/bootstrapper/packages
+    curl -Lsfo "$TOOLS_DIR/packages.config" https://cakebuild.net/download/bootstrapper/packages
     if [ $? -ne 0 ]; then
-        echo "An error occured while downloading packages.config."
+        echo "An error occurred while downloading packages.config."
         exit 1
     fi
 fi
@@ -66,7 +66,7 @@ if [ ! -f "$NUGET_EXE" ]; then
     echo "Downloading NuGet..."
     curl -Lsfo "$NUGET_EXE" https://dist.nuget.org/win-x86-commandline/latest/nuget.exe
     if [ $? -ne 0 ]; then
-        echo "An error occured while downloading nuget.exe."
+        echo "An error occurred while downloading nuget.exe."
         exit 1
     fi
 fi
@@ -98,4 +98,4 @@ if $SHOW_VERSION; then
     exec mono "$CAKE_EXE" -version
 else
     exec mono "$CAKE_EXE" $SCRIPT -verbosity=$VERBOSITY -configuration=$CONFIGURATION -target=$TARGET $DRYRUN "${SCRIPT_ARGUMENTS[@]}"
-fi
+fi