dspdfviewer 1.15.1

Closes #4774.

Signed-off-by: ilovezfs <ilovezfs@icloud.com>

Formula/dspdfviewer.rb

@@ -1,8 +1,8 @@
 class Dspdfviewer < Formula
   desc "Dual-Screen PDF Viewer for latex-beamer"
   homepage "http://dspdfviewer.danny-edel.de"
-  url "https://github.com/dannyedel/dspdfviewer/archive/v1.15.tar.gz"
-  sha256 "19986053ac4a60e086a9edd78281f1e422a64efef29e3c6604386419e9420686"
+  url "https://github.com/dannyedel/dspdfviewer/archive/v1.15.1.tar.gz"
+  sha256 "c5b6f8c93d732e65a27810286d49a4b1c6f777d725e26a207b14f6b792307b03"
   head "https://github.com/dannyedel/dspdfviewer.git"
 
   bottle do
@@ -17,6 +17,7 @@ class Dspdfviewer < Formula
   depends_on "pkg-config" => :build
   depends_on "boost"
   depends_on "poppler" => "with-qt5"
+  depends_on "qt5"
 
   def install
     args = std_cmake_args
@@ -30,6 +31,6 @@ class Dspdfviewer < Formula
   end
 
   test do
-    assert_match /#{version}/, shell_output("#{bin}/dspdfviewer --version", 0)
+    system bin/"dspdfviewer", "--help"
   end
 end