Make bitcoin-qt static-link libqrcode and add it for debian pkgs.

contrib/gitian-descriptors/deps-win32.yml

@@ -59,5 +59,3 @@ script: |
   cd ..
   #
   tar cjvpf "$OUTDIR/bitcoin-deps-0.0.1.tbz2" "$HOME/build"
-
-

contrib/gitian-descriptors/gitian.yml

@@ -16,13 +16,15 @@ packages:
 - "libssl-dev"
 - "git-core"
 - "unzip"
-- "libqrencode-dev"
+- "pkg-config"
+- "libpng12-dev"
 reference_datetime: "2011-01-30 00:00:00"
 remotes:
 - "url": "https://github.com/bitcoin/bitcoin.git"
   "dir": "bitcoin"
 files:
 - "miniupnpc-1.6.tar.gz"
+- "qrencode-3.2.0.tar.bz2"
 script: |
   INSTDIR="$HOME/install"
   export LIBRARY_PATH="$INSTDIR/lib"
@@ -32,6 +34,12 @@ script: |
   INSTALLPREFIX=$INSTDIR make $MAKEOPTS install
   cd ..
   #
+  tar xjf qrencode-3.2.0.tar.bz2
+  cd qrencode-3.2.0
+  ./configure --prefix=$INSTDIR --enable-static --disable-shared
+  make $MAKEOPTS install
+  cd ..
+  #
   cd bitcoin
   mkdir -p $OUTDIR/src
   cp -a . $OUTDIR/src