This app is called "LibreOffice", not "Viewer"

Change-Id: I19663a22cedc0ed4355fc63d28821d80520ee292

ios/experimental/LibreOffice/LibreOffice/lo.mm

@@ -156,7 +156,7 @@ lo_initialize(void)
 
     const int argc = sizeof(argv)/sizeof(*argv);
 
-    argv[0] = [[[[NSBundle mainBundle] bundlePath] stringByAppendingPathComponent: @"Viewer"] UTF8String];
+    argv[0] = [[[[NSBundle mainBundle] bundlePath] stringByAppendingPathComponent: @"LibreOffice"] UTF8String];
 
     NSString *app_root_escaped = [[[NSBundle mainBundle] bundlePath] stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding];