package/speexdsp+tremor: switch to new git repository

The original git server on git.xiph.org died, and the Xiph project has
now moved on to host their repositories on gitlab.comn instead.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/speexdsp/speexdsp.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 SPEEXDSP_VERSION = SpeexDSP-1.2.0
-SPEEXDSP_SITE = https://git.xiph.org/speexdsp.git
+SPEEXDSP_SITE = https://gitlab.xiph.org/xiph/speexdsp.git
 SPEEXDSP_SITE_METHOD = git
 SPEEXDSP_LICENSE = BSD-3-Clause
 SPEEXDSP_LICENSE_FILES = COPYING

package/tremor/tremor.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 TREMOR_VERSION = 7c30a66346199f3f09017a09567c6c8a3a0eedc8
-TREMOR_SITE = https://git.xiph.org/tremor.git
+TREMOR_SITE = https://gitlab.xiph.org/xiph/tremor.git
 TREMOR_SITE_METHOD = git
 TREMOR_LICENSE = BSD-3-Clause
 TREMOR_LICENSE_FILES = COPYING