package/mimic: fix static build with gcc 10

Fixes:
 - http://autobuild.buildroot.org/results/bee20bbfa4fa64ed8704bfb9586d5a3148f39fdf

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

package/mimic/0001-Fix-linking-on-gcc-10.2.0-or-newer.patch

@@ -0,0 +1,27 @@
+From 77b36eaeb2c38eba571b8db7e9bb0fd507774e6d Mon Sep 17 00:00:00 2001
+From: Kris Gesling <kris.gesling@mycroft.ai>
+Date: Tue, 11 May 2021 09:15:22 +0930
+Subject: [PATCH] Fix linking on gcc 10.2.0 or newer
+
+Co-authored-by: MichaelSabal <michaelsabal@users.noreply.github.com>
+
+[Retrieved from:
+https://github.com/MycroftAI/mimic1/commit/77b36eaeb2c38eba571b8db7e9bb0fd507774e6d]
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ lang/cmu_indic_lang/cmu_indic_lang.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lang/cmu_indic_lang/cmu_indic_lang.h b/lang/cmu_indic_lang/cmu_indic_lang.h
+index 75ee46c..83e2afa 100644
+--- a/lang/cmu_indic_lang/cmu_indic_lang.h
++++ b/lang/cmu_indic_lang/cmu_indic_lang.h
+@@ -51,7 +51,7 @@ void cmu_indic_lang_init(cst_voice *v);
+ extern const cst_phoneset cmu_indic_phoneset;
+ extern const cst_cart cmu_indic_phrasing_cart; 
+ 
+-const cst_regex * const cst_rx_not_indic;
++extern const cst_regex * const cst_rx_not_indic;
+ 
+ #ifdef __cplusplus
+ } /* extern "C" */