testing appveyor change

appveyor.yml

@@ -17,7 +17,7 @@ build_script:
 
     set "VCINSTALLDIR=C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC"
 
-    set "OPENSSL_ROOT_DIR=C:\OpenSSL-v111-Win64\bin"
+    set "OPENSSL_ROOT_DIR=C:/OpenSSL-v111-Win64"
 
     cmake c:\projects\source -G "Visual Studio 16 2019" -DCMAKE_BUILD_TYPE:STRING=Release -DENABLE_OPENSSL=ON -DRUN_IN_PLACE=OFF
 

src/CMakeLists.txt

@@ -290,10 +290,14 @@ if (WIN32)
 
         install(DIRECTORY ${CMAKE_BINARY_DIR}/windeployqt_stuff/ DESTINATION bin)
 
+
+        STRING(REGEX REPLACE "\\\\" "/" OPENSSL_ROOT_DIR $ENV{OPENSSL_ROOT_DIR} )
+ 
         if (ENABLE_OPENSSL)
-            if (EXISTS $ENV{OPENSSL_ROOT_DIR}/bin)
-                install(
-                        DIRECTORY $ENV{OPENSSL_ROOT_DIR}/bin/
+            if (EXISTS ${OPENSSL_ROOT_DIR}/bin)
+
+             install(
+                        DIRECTORY ${OPENSSL_ROOT_DIR}/bin/
                         DESTINATION bin
                         FILES_MATCHING
                         PATTERN "*.dll")