kde-apps/cantor: Fix build w/ USE=python and KF-5.31

Package-Manager: portage-2.3.3

kde-apps/cantor/cantor-16.12.2.ebuild

@@ -56,7 +56,10 @@ RDEPEND="${RDEPEND}"
 
 RESTRICT+=" test"
 
-PATCHES=( "${FILESDIR}"/${P}-bashism.patch )
+PATCHES=(
+	"${FILESDIR}"/${P}-bashism.patch
+	"${FILESDIR}"/${P}-python-kf-5.31.patch
+)
 
 pkg_pretend() {
 	kde5_pkg_pretend

kde-apps/cantor/files/cantor-16.12.2-python-kf-5.31.patch

@@ -0,0 +1,28 @@
+commit 4b8ef6bed62daced90c7826985650c2a813d2996
+Author: Jonathan Riddell <jr@jriddell.org>
+Date:   Wed Feb 8 14:56:48 2017 +0000
+
+    remove modern C++ use to fix compile with current KDE policy
+
+diff --git a/src/backends/python/pythonhighlighter.cpp b/src/backends/python/pythonhighlighter.cpp
+index 4064524..87b10dd 100644
+--- a/src/backends/python/pythonhighlighter.cpp
++++ b/src/backends/python/pythonhighlighter.cpp
+@@ -87,7 +87,7 @@ void PythonHighlighter::highlightBlock(const QString &text)
+     while (pos < text.length()) {
+         // Trying to close current environments
+         bool triggered = false;
+-        for (int i = 0; i < flags.size() and not triggered; i++) {
++        for (int i = 0; i < flags.size() && !triggered; i++) {
+             int flag = flags[i];
+             QRegExp &regexp = regexps[i];
+             QTextCharFormat &format = formats[i];
+@@ -126,7 +126,7 @@ void PythonHighlighter::highlightBlock(const QString &text)
+         singleLineCommentStart.indexIn(text, pos);
+ 
+         if (singleLineCommentStartPos != -1
+-            and singleLineCommentStartPos < minPos) {
++            && singleLineCommentStartPos < minPos) {
+             setFormat(pos, text.length() - pos, commentFormat());
+         break;
+             } else if (minRegexp) {