2 minor fixes.

eeschema/cross-probing.cpp

@@ -62,6 +62,7 @@ void SCH_EDIT_FRAME::ExecuteRemoteCommand( const char* cmdline )
     char     line[1024];
 
     strncpy( line, cmdline, sizeof(line) - 1 );
+    line[ sizeof(line) - 1 ] = '\0';
 
     char* idcmd = strtok( line, " \n\r" );
     char* text  = strtok( NULL, "\"\n\r" );

eeschema/libedit.cpp

@@ -335,7 +335,7 @@ bool LIB_EDIT_FRAME::SaveActiveLibrary( bool newFile )
             default_path = search->LastVisitedPath();
 
         wxFileDialog dlg( this, _( "Part Library Name:" ), default_path,
-                          wxEmptyString, SchematicLibraryFileExtension,
+                          wxEmptyString, SchematicLibraryFileWildcard,
                           wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
 
         if( dlg.ShowModal() == wxID_CANCEL )