debian/{control,rules}: enable image scaling support in freerdp.

debian/control

@@ -12,6 +12,7 @@ Build-Depends:
  libasound2-dev,
  libavcodec-dev,
  libavutil-dev,
+ libcairo2-dev,
  libcups2-dev,
  libgsm1-dev,
  libgstreamer1.0-dev,
@@ -21,6 +22,7 @@ Build-Depends:
  libpcsclite-dev,
  libpulse-dev,
  libssl-dev,
+ libswscale-dev,
  libsystemd-dev [linux-any],
  libudev-dev [linux-any],
  libusb-1.0-0-dev [linux-any],

debian/rules

@@ -62,10 +62,14 @@ ifeq ($(shell dpkg-vendor --is Ubuntu && echo yes),yes)
     DEB_CMAKE_EXTRA_FLAGS += \
         -DWITH_FFMPEG=OFF \
         -DWITH_GSM=OFF \
+        -DWITH_CAIRO=ON \
         $(empty)
 else
     DEB_CMAKE_EXTRA_FLAGS += \
         -DWITH_GSM=ON \
+        -DWITH_SWSCALE=ON \
+        -DSWScale_INCLUDE_DIRS=/usr/include/$(DEB_HOST_MULTIARCH) \
+        -DWITH_CAIRO=OFF \
         $(empty)
 endif