package/asterisk: drop spurious space

Drop spurious space added by commit
4f1c340311768fa3a94605086e5c99cb1733ce93

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/asterisk/asterisk.mk

@@ -243,7 +243,7 @@ ifeq ($(BR2_PACKAGE_SPEEX)$(BR2_PACKAGE_SPEEXDSP),yy)
 ASTERISK_DEPENDENCIES += speex
 ASTERISK_CONF_OPTS += --with-speex --with-speexdsp
 else
-ASTERISK_CONF_OPTS += --without-speex  --without-speexdsp
+ASTERISK_CONF_OPTS += --without-speex --without-speexdsp
 endif
 
 # asterisk needs an openssl-enabled libsrtp