Fixed export of OFX format

Updated versions for 1.2.6.beta2 release

Author: codinguser

app/AndroidManifest.xml

@@ -17,8 +17,8 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.gnucash.android"
-    android:versionCode="17"
-    android:versionName="1.2.6.beta" >
+    android:versionCode="18"
+    android:versionName="1.2.6.beta2" >
 
     <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="15"/>
 

app/src/org/gnucash/android/export/ExportDialogFragment.java

@@ -201,7 +201,7 @@ public void onRadioButtonClicked(View view){
             case R.id.radio_qif_format:
                 mExportFormat = ExportFormat.QIF;
         }
-        mFilePath = buildExportFilename(mExportFormat);
+        mFilePath = getActivity().getExternalFilesDir(null) + "/" + buildExportFilename(mExportFormat);
         return;
     }