SVN snapshot from August 23 will not build with --enable-debug=full



Reproducible: Always
Steps to Reproduce:

Actual Results:  
 gcc -DHAVE_CONFIG_H -I. -I. -I../../.. -I../../../libical
-I../../../libical/src -I../../../libical/src -I./libical
-DPACKAGE_DATA_DIR=\"/usr/local/share/xfcalendar\" -g -O2 -g3 -Werror -Wall
-DG_DISABLE_DEPRECATED -DXFCE_DISABLE_DEPRECATED -MT sspm.lo -MD -MP -MF
.deps/sspm.Tpo -c sspm.c  -fPIC -DPIC -o .libs/sspm.osspm.c: In function
`decode_base64':
sspm.c:1171: warning: 'cc' might be used uninitialized in this function
make[5]: *** [sspm.lo] Error 1
make[5]: Leaving directory
`/home/erik/tmp/xfcalendar-4.3.1.17svn/libical/src/libical'
make[4]: *** [all] Error 2
make[4]: Leaving directory
`/home/erik/tmp/xfcalendar-4.3.1.17svn/libical/src/libical'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/home/erik/tmp/xfcalendar-4.3.1.17svn/libical/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/erik/tmp/xfcalendar-4.3.1.17svn/libical'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/erik/tmp/xfcalendar-4.3.1.17svn'
make: *** [all] Error 2