Re-enable AAD support in RHEL

The AAD support was dropped for RHEL because of the missing cJSON
dependency. The JSON-C dependency can be used instead since the 3.6.2
release. Let's switch to it and enable the AAD support again.

Resolves: RHEL-31752

freerdp.spec

@@ -20,7 +20,6 @@
 %global _with_static_uwac 1
 
 # Disable unwanted dependencies for RHEL
-%{!?rhel:%global _with_aad 1}
 %{!?rhel:%global _with_sdl_client 1}
 %{!?rhel:%global _with_soxr 1}
 %{!?rhel:%global _with_uriparser 1}
@@ -78,7 +77,7 @@ BuildRequires:  xmlto
 BuildRequires:  zlib-devel
 BuildRequires:  multilib-rpm-config
 
-%{?_with_aad:BuildRequires:  cmake(cJSON)}
+BuildRequires:  cmake(json-c)
 # Packaging error led to cmake files in the wrong place
 # Fixed in https://src.fedoraproject.org/rpms/uriparser/c/1b07302bfc80983fbf84283783370e8338d36429
 %{?_with_uriparser:BuildRequires:  (cmake(uriparser) and uriparser-devel)}
@@ -183,7 +182,7 @@ find . -name "*.c" -exec chmod 664 {} \;
 %cmake %{?_cmake_skip_rpath} \
     -DCMAKE_INSTALL_LIBDIR:PATH=%{_lib} \
     -DWITH_ALSA=ON \
-    -DWITH_AAD=%{?_with_aad:ON}%{?!_with_aad:OFF} \ \
+    -DWITH_AAD=ON \
     -DWITH_CAIRO=ON \
     -DWITH_CUPS=ON \
     -DWITH_CHANNELS=ON -DBUILTIN_CHANNELS=OFF \
@@ -197,6 +196,7 @@ find . -name "*.c" -exec chmod 664 {} \;
     -DWITH_ICU=ON \
     -DWITH_IPP=OFF \
     -DWITH_JPEG=ON \
+    -DWITH_JSONC_REQUIRED=ON \
     -DWITH_KRB5=ON \
     -DWITH_LAME=ON \
     -DWITH_MANPAGES=ON \