File update-dtl.patch of Package KnobKraft-orm

Submodule third_party/dtl contains modified content
diff --git a/third_party/dtl/ChangeLog b/third_party/dtl/ChangeLog
index de19a6b..3bf2e85 100644
--- a/third_party/dtl/ChangeLog
+++ b/third_party/dtl/ChangeLog
@@ -1,3 +1,9 @@
+2024-07-11 Tatsuhiko Kubo <cubicdaiya@gmail.com>
+
+	* bugfix: fix compilation error in C++14 (#18). Thanks to @ZaychukAleksey
+
+	* 1.21 released
+
 2022-04-11 Tatsuhiko Kubo <cubicdaiya@gmail.com>
 
 	* bugfix: fixed invalid offset in unified format difference when difference is too large.
diff --git a/third_party/dtl/dtl/Diff.hpp b/third_party/dtl/dtl/Diff.hpp
index 8c9c774..57067f9 100644
--- a/third_party/dtl/dtl/Diff.hpp
+++ b/third_party/dtl/dtl/Diff.hpp
@@ -164,7 +164,7 @@ namespace dtl {
             return trivial;
         }
         
-        void enableTrivial () const {
+        void enableTrivial () {
             this->trivial = true;
         }
         
diff --git a/third_party/dtl/dtl/variables.hpp b/third_party/dtl/dtl/variables.hpp
index 6720ec8..4f53a88 100644
--- a/third_party/dtl/dtl/variables.hpp
+++ b/third_party/dtl/dtl/variables.hpp
@@ -63,7 +63,7 @@ namespace dtl {
     /**
      * version string
      */
-    const string version = "1.20";
+    const string version = "1.21";
 
     /**
      * type of edit for SES
diff --git a/third_party/dtl/test/SConstruct b/third_party/dtl/test/SConstruct
index 37873dd..8b1883e 100644
--- a/third_party/dtl/test/SConstruct
+++ b/third_party/dtl/test/SConstruct
@@ -11,7 +11,7 @@ def path_chomp(path):
 env  = Environment(
     CPPFLAGS=['-Wall', '-O2'],
     CPPPATH=['..'],
-	CXXFLAGS="-std=c++11",
+    CXXFLAGS="-std=c++14",
 )
 
 conf = Configure(env);