Fix PR288

ChangeLog

@@ -31,6 +31,8 @@ Version 4.5.2 'dan Eider':
 		* Add new --log-binding option to enable binding request logging
 	- Fix stale-nonce documentation. Resolves #604
 	- Version number is changed to semver 2.0
+	- Merge PR #288 (by Hristo Venev)
+		* pkg-config, and various cleanups in connfigure file	
 
 24/06/2020 Oleg Moskalenko <[email protected]> Mihály Mészáros <[email protected]>
 Version 4.5.1.3 'dan Eider':

configure

@@ -904,7 +904,7 @@ fi
 ###########################
 
 if [ -z "${TURN_NO_MYSQL}" ] ; then
-    if testpkg_server mariadb || testpkg_server mysqlclient ; then
+    if testpkg_db mariadb || testpkg_server mysqlclient ; then
         ${ECHO_CMD} "MySQL found."
     else
         ${ECHO_CMD} "MySQL not found. Building without MySQL support."
@@ -919,7 +919,7 @@ fi
 ###########################
 
 if [ -z "${TURN_NO_MONGO}" ] ; then
-    if testpkg_server libmongoc-1.0; then
+    if testpkg_db libmongoc-1.0; then
         ${ECHO_CMD} "MongoDB found."
     else
         ${ECHO_CMD} "MongoDB not found. Building without MongoDB support."