build, msvc: Enable libqrencode vcpkg package

CMakePresets.json

@@ -15,8 +15,7 @@
       "toolchainFile": "$env{VCPKG_ROOT}\\scripts\\buildsystems\\vcpkg.cmake",
       "cacheVariables": {
         "VCPKG_TARGET_TRIPLET": "x64-windows",
-        "BUILD_GUI": "ON",
-        "WITH_QRENCODE": "OFF"
+        "BUILD_GUI": "ON"
       }
     },
     {
@@ -32,8 +31,7 @@
       "toolchainFile": "$env{VCPKG_ROOT}\\scripts\\buildsystems\\vcpkg.cmake",
       "cacheVariables": {
         "VCPKG_TARGET_TRIPLET": "x64-windows-static",
-        "BUILD_GUI": "ON",
-        "WITH_QRENCODE": "OFF"
+        "BUILD_GUI": "ON"
       }
     },
     {

doc/build-windows-msvc.md

@@ -42,9 +42,7 @@ Available presets can be listed as follows:
 cmake --list-presets
 ```
 
-By default, all presets:
-- Set `BUILD_GUI` to `ON`.
-- Set `WITH_QRENCODE` to `OFF`, due to known build issues when using vcpkg's `libqrencode` package.
+By default, all presets set `BUILD_GUI` to `ON`.
 
 ## Building
 

vcpkg.json

@@ -25,7 +25,8 @@
       "description": "Build GUI, Qt 5",
       "dependencies": [
         "qt5-base",
-        "qt5-tools"
+        "qt5-tools",
+        "libqrencode"
       ]
     },
     "sqlite": {