srcdir fixes for configure.in (FSBUILD-211)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15646 d0543943-73ff-0310-b7d9-9358b9ac24b2

configure.in

@@ -95,8 +95,8 @@ if test "${enable_optimizer}" = "yes" ; then
 fi
 
 # set defaults for use on all platforms
-SWITCH_AM_CFLAGS="-I${switch_srcdir}/src/include -I${switch_srcdir}/libs/libteletone/src"
-SWITCH_AM_CXXFLAGS="-I${switch_srcdir}/src/include -I${switch_srcdir}/libs/libteletone/src"
+SWITCH_AM_CFLAGS="-I${switch_srcdir}/src/include -I${switch_builddir}/src/include -I${switch_srcdir}/libs/libteletone/src"
+SWITCH_AM_CXXFLAGS="-I${switch_srcdir}/src/include -I${switch_builddir}/src/include -I${switch_srcdir}/libs/libteletone/src"
 SWITCH_AM_LDFLAGS="-lm"
 
 #set SOLINK variable based on compiler and host