Add make commands to get asan working.

CHANGES

@@ -1,4 +1,6 @@
 
+Correctly decode GJ first VIF extension.
+
 Sajicek improved the hydrodigit driver! Thanks Sajicek!
 
 Stepniskir helped create the ime driver! Thanks stepniskir!
@@ -13,7 +15,7 @@ and the energy_consumption_at_reporting_date_kwh is changed to target_kwh, targe
 
 Supaklass fixed the sensostar historical data setup. Thanks Supaklass!
 
-Added the new drivers aquastream and supercal.
+Added the new drivers aquastream, supercal and relhca.
 
 Andreas Horrer added the itronheat driver. Thanks Andreas!
 Andreas also added a workaround for borked meters with strange mfct fields (aPT and iWT)

Makefile

@@ -328,6 +328,15 @@ lcov:
 test: build/xmq
 	@./test.sh build/wmbusmeters
 
+
+# To run the debug build with asan we need to disable security address randomization
+# or we will get AddressSanitizer:DEADLYSIGNAL
+disable_address_randomization:
+	echo 0 | sudo tee /proc/sys/kernel/randomize_va_space
+
+enable_address_randomization:
+	echo 2 | sudo tee /proc/sys/kernel/randomize_va_space
+
 testd: build/xmq
 	@./test.sh build_debug/wmbusmeters