am 3ec211a2: Merge "Fix declaration for softkeymaster_module"

* commit '3ec211a245b0b84e5c745acf09dd6d9989c86e33':
  Fix declaration for softkeymaster_module
diff --git a/softkeymaster/include/keymaster/softkeymaster.h b/softkeymaster/include/keymaster/softkeymaster.h
index 17d1389..e4b173c 100644
--- a/softkeymaster/include/keymaster/softkeymaster.h
+++ b/softkeymaster/include/keymaster/softkeymaster.h
@@ -40,5 +40,6 @@
 
 int openssl_open(const hw_module_t* module, const char* name, hw_device_t** device);
 
-struct keystore_module softkeymaster_module;
+extern struct keystore_module softkeymaster_module;
+
 #endif  // SOFTKEYMASTER_INCLUDE_KEYMASTER_SOFTKEYMASTER_H_