running the test using tcl8.5 directly instead of tclsh that too often it's a symlink to 8.4

Makefile

@@ -81,7 +81,7 @@ staticsymbols:
 	tclsh utils/build-static-symbols.tcl > staticsymbols.h
 
 test:
-	tclsh test-redis.tcl -p $(PORT) -h $(HOST)
+	tclsh8.5 test-redis.tcl -p $(PORT) -h $(HOST)
 
 bench:
 	./redis-benchmark

redis.c

@@ -9934,7 +9934,7 @@ int linuxOvercommitMemoryValue(void) {
 
 void linuxOvercommitMemoryWarning(void) {
     if (linuxOvercommitMemoryValue() == 0) {
-        redisLog(REDIS_WARNING,"WARNING overcommit_memory is set to 0! Background save may fail under low condition memory. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.");
+        redisLog(REDIS_WARNING,"WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.");
     }
 }
 #endif /* __linux__ */