message: [Doc] Add missing autogen to example builds
diff: @@ -27,6 +27,7 @@ To build executables for Windows 32-bit:
  cd depends
  make HOST=i686-w64-mingw32 -j4
  cd ..
  + ./autogen.sh # not required when building from tarball
  ./configure --prefix=`pwd`/depends/i686-w64-mingw32
  make
  @@ -35,6 +36,7 @@ To build executables for Windows 64-bit:
  cd depends
  make HOST=x86_64-w64-mingw32 -j4
  cd ..
  + ./autogen.sh # not required when building from tarball
  ./configure --prefix=`pwd`/depends/x86_64-w64-mingw32
  make
  