Contrib: use the same new headers for NPAPI in Win32

extras/contrib/src/Distributions/win32.mak

@@ -5,7 +5,7 @@ all: .iconv .intl .freetype .fribidi .zlib \
         .live .pthreads .goom2k4 .caca .mod .x264  .xml .twolame \
         .png .gpg-error .gcrypt .gnutls .mpcdec .dirac .schroedinger \
         .dvdnav .dvbpsi .qt4_win32 .schroedinger .SDL_image \
-        .dx_headers .dshow_headers .gecko-win32 .dca \
+        .dx_headers .dshow_headers .gecko .dca \
         .lua .tag .fontconfig .portaudio .kate .libass .zvbi \
         .fluid .aclocal .peflags .cddb .sqlite3 .libprojectM
 #       .daap .cdio .vcdimager