imagemagick: split dev output to fix #9604

Also fixup references to imagemagick.

pkgs/tools/security/prey/default.nix

@@ -34,7 +34,7 @@ in stdenv.mkDerivation rec {
     cp -R . $out
     cp -R ${modulesSrc}/* $out/modules/
     wrapProgram "$out/prey.sh" \
-      --prefix PATH ":" "${xawtv}/bin:${imagemagick}/bin:${curl.bin}/bin:${scrot}/bin:${inetutils}/bin:${coreutils}/bin" \
+      --prefix PATH ":" "${xawtv}/bin:${imagemagick.out}/bin:${curl.bin}/bin:${scrot}/bin:${inetutils}/bin:${coreutils}/bin" \
       --set CURL_CA_BUNDLE "/etc/ssl/certs/ca-certificates.crt"
   '';
 

pkgs/tools/typesetting/asciidoc/default.nix

@@ -223,7 +223,7 @@ stdenv.mkDerivation rec {
 
     sed -e "s|run('abc2ly|run('${lilypond}/bin/abc2ly|g" \
         -e "s|run('lilypond|run('${lilypond}/bin/lilypond|g" \
-        -e "s|run('convert|run('${imagemagick}/bin/convert|g" \
+        -e "s|run('convert|run('${imagemagick.out}/bin/convert|g" \
         -i "filters/music/music2png.py"
 
     sed -e 's|filter="source-highlight|filter="${sourceHighlight}/bin/source-highlight|' \

pkgs/tools/typesetting/tex/dblatex/default.nix

@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
             -e 's|cmd = "inkscape|cmd = "${inkscape}/bin/inkscape|g' \
             -e 's|cmd = "fig2dev|cmd = "${transfig}/bin/fig2dev|g' \
             -e 's|cmd = \["ps2pdf|cmd = ["${ghostscript}/bin/ps2pdf|g' \
-            -e 's|cmd = "convert|cmd = "${imagemagick}/bin/convert|g' \
+            -e 's|cmd = "convert|cmd = "${imagemagick.out}/bin/convert|g' \
             -i "$file"
     done
   '';