Fix dartanalyzer failure to run when there are spaces in the path to the dart-sdk.

sdk/bin/dartanalyzer

 #!/bin/bash --posix
 # Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 set -e
 
 # Setting SCRIPT_DIR this way is ugly, but is needed to handle the case where
 # dart-sdk/bin has been symlinked to. On MacOS, readlink doesn't work
 # with this case.
@@ skipping 11 matching lines @@
     --dart-sdk)
       FOUND_SDK=1
       ;;
     *)
       ;;
   esac
 done
 
 DART_SDK=""
 if [ $FOUND_SDK = 0 ] ; then
-  if [ -f $DART_ANALYZER_HOME/lib/core/core.dart ] ; then
-    DART_SDK="--dart-sdk $DART_ANALYZER_HOME"
+  if [ -f "$DART_ANALYZER_HOME/lib/core/core.dart" ] ; then
+    DART_SDK=(--dart-sdk "$DART_ANALYZER_HOME")
   else
-    DART_SDK_HOME=$(dirname $DART_ANALYZER_HOME)/dart-sdk
-    if [ -d $DART_SDK_HOME ] ; then
-      DART_SDK="--dart-sdk $DART_SDK_HOME"
+    DART_SDK_HOME=$(dirname "$DART_ANALYZER_HOME")/dart-sdk
+    if [ -d "$DART_SDK_HOME" ] ; then
+      DART_SDK=(--dart-sdk "$DART_SDK_HOME")
     else
-      DART_SDK_HOME=$(dirname $DART_SDK_HOME)/dart-sdk
-      if [ -d $DART_SDK_HOME ] ; then
-        DART_SDK="--dart-sdk $DART_SDK_HOME"
+      DART_SDK_HOME=$(dirname "$DART_SDK_HOME")/dart-sdk
+      if [ -d "$DART_SDK_HOME" ] ; then
+        DART_SDK=(--dart-sdk "$DART_SDK_HOME")
       else
         echo "Couldn't find Dart SDK. Specify with --dart-sdk cmdline argument"
       fi
     fi
   fi
 fi
 
-if [ -f $DART_SDK_HOME/util/dartanalyzer/dartanalyzer.jar ] ; then
+if [ -f "$DART_SDK_HOME/util/dartanalyzer/dartanalyzer.jar" ] ; then
   DART_ANALYZER_LIBS=$DART_SDK_HOME/util/dartanalyzer
-elif [ -f $DART_ANALYZER_HOME/util/dartanalyzer/dartanalyzer.jar ] ; then
+elif [ -f "$DART_ANALYZER_HOME/util/dartanalyzer/dartanalyzer.jar" ] ; then
   DART_ANALYZER_LIBS=$DART_ANALYZER_HOME/util/dartanalyzer
 else
   echo "Configuration problem. Couldn't find dartanalyzer.jar."
   exit 1
 fi
 
 if [ -x /usr/libexec/java_home ]; then
   export JAVA_HOME=$(/usr/libexec/java_home -v '1.6+')
 fi
 
 EXTRA_JVMARGS="-Xss2M "
 OS=`uname | tr "[A-Z]" "[a-z]"`
 if [ "$OS" == "darwin" ] ; then
   # Bump up the heap on Mac VMs, some of which default to 128M or less.
   # Users can specify DART_JVMARGS in the environment to override this
   # setting.
   EXTRA_JVMARGS+=" -Xmx256M -client "
 else
   # On other architectures
   # -batch invocations will do better with a server vm
   # invocations for analyzing a single file do better with a client vm
   if [ $FOUND_BATCH = 0 ] ; then
     EXTRA_JVMARGS+=" -client "
   fi
 fi
 
 exec java $EXTRA_JVMARGS $DART_JVMARGS -ea -jar \
-  "$DART_ANALYZER_LIBS/dartanalyzer.jar" ${DART_SDK} $@
+  "$DART_ANALYZER_LIBS/dartanalyzer.jar" "${DART_SDK[@]}" $@