nomacs: add mission iostream header

this is not apparently required on all systems,
but it is required on some systems, and does not break
the build on systems that do not originally need it.

No revbump as port originally built or did not build at all

aqua/nomacs/Portfile

@@ -42,6 +42,11 @@ patchfiles-append       patch-name.diff \
                         patch-Info.plist.in.diff \
                         patch-CMakeLists.txt.diff
 
+#ImageLounge/src/DkCore/DkMetaData.cpp:1267:7: error: no member named 'cout' in namespace 'std'
+#        std::cout << xmpPacket << "\n";
+#        ~~~~~^
+patchfiles-append       patch-nomacs-iostream-missing.diff
+
 post-destroot {
     move {*}[glob ${destroot}${applications_dir}/*.dylib ${destroot}${prefix}/lib]
     xinstall -d -m 0755 ${destroot}${applications_dir}/Nomacs.app/Contents/Resources

aqua/nomacs/files/patch-nomacs-iostream-missing.diff

@@ -0,0 +1,26 @@
+diff --git src/DkCore/DkMetaData.cpp src/DkCore/DkMetaData.cpp
+index d195757..affec7b 100644
+--- src/DkCore/DkMetaData.cpp
++++ src/DkCore/DkMetaData.cpp
+@@ -42,6 +42,8 @@
+ #include <QApplication>
+ #pragma warning(pop)		// no warnings from includes - end
+
++#include <iostream>
++
+ namespace nmc {
+
+ // DkMetaDataT --------------------------------------------------------------------
+diff --git src/DkGui/DkNoMacs.cpp src/DkGui/DkNoMacs.cpp
+index 6a412f7..bbfba23 100644
+--- src/DkGui/DkNoMacs.cpp
++++ src/DkGui/DkNoMacs.cpp
+@@ -96,6 +96,8 @@
+ #include <QWinTaskbarButton>
+ #endif
+
++#include <iostream>
++
+ namespace nmc {
+
+ DkNomacsOSXEventFilter::DkNomacsOSXEventFilter(QObject *parent) : QObject(parent) {