set MALLOC_CHECK_ and MALLOC_PERTURB_ for testcases

In bugreport deb:719629 Paul Wise mentions both to enable some malloc
checks and as more testing can't hurt we enable both for all testcases.

Git-Dch: Ignore

test/integration/framework

@@ -88,11 +88,11 @@ msgdone() {
 runapt() {
 	msgdebug "Executing: ${CCMD}$*${CDEBUG} "
 	if [ -f ./aptconfig.conf ]; then
-		APT_CONFIG=aptconfig.conf LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
-        elif [ -f ../aptconfig.conf ]; then
-                APT_CONFIG=../aptconfig.conf LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
+		MALLOC_PERTURB_=21 MALLOC_CHECK_=2 APT_CONFIG=aptconfig.conf LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
+	elif [ -f ../aptconfig.conf ]; then
+		MALLOC_PERTURB_=21 MALLOC_CHECK_=2 APT_CONFIG=../aptconfig.conf LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
 	else
-		LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
+		MALLOC_PERTURB_=21 MALLOC_CHECK_=2 LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
 	fi
 }
 aptconfig() { runapt apt-config $*; }

test/libapt/run-tests

@@ -111,8 +111,8 @@ do
 	fi
 
 	echo -n "Testing with ${NAME} "
-	if LD_LIBRARY_PATH=${LDPATH} ${testapp} ${tmppath} ; then
- 		echo "$TESTOKAY"
+	if MALLOC_PERTURB_=21 MALLOC_CHECK_=2 LD_LIBRARY_PATH=${LDPATH} ${testapp} ${tmppath} ; then
+		echo "$TESTOKAY"
 	else
 		echo "$TESTFAIL"
 		EXIT_CODE=1