Build failure with 2.7.0

[Marty Jack]

2.7.0 will not build without gstreamer.

--disable-farsight and --disable-gstreamer and --disable-gstreamer-interfaces were specified to configure.

/bin/sh ../libtool --silent  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..  -DDATADIR=\"/usr/share\" -DLIBDIR=\"/usr/lib/purple-2/\" -DLOCALEDIR=\"/usr/share/locale\" -DSYSCONFDIR=\"/etc\" -pthread -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include   -Wall  -DPURPLE_DISABLE_DEPRECATED -DPIDGIN_DISABLE_DEPRECATED -DFINCH_DISABLE_DEPRECATED -DGNT_DISABLE_DEPRECATED -Waggregate-return -Wcast-align -Wdeclaration-after-statement -Wendif-labels -Werror-implicit-function-declaration -Wextra -Wno-sign-compare -Wno-unused-parameter -Wformat-security -Winit-self -Wmissing-declarations -Wmissing-noreturn -Wmissing-prototypes -Wpointer-arith -Wundef -Wp,-D_FORTIFY_SOURCE=2  -I/usr/include/libxml2           -g -g -O2 -MT backend-fs2.lo -MD -MP -MF .deps/backend-fs2.Tpo -c -o backend-fs2.lo `test -f 'media/backend-fs2.c' || echo './'`media/backend-fs2.c
In file included from media/backend-fs2.c:29:
media/backend-fs2.h:62:21: error: gst/gst.h: No such file or directory
In file included from media/backend-fs2.c:29:
media/backend-fs2.h:63: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token
media/backend-fs2.h:66: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token
make[5]: *** [backend-fs2.lo] Error 1
make[5]: Leaving directory `/home/martyj/Build/pidgin-2.7.0/libpurple'
make[4]: *** [all-recursive] Error 1