Added OTP21 to default build targets

Ilya Averyanov · Ilya Averyanov · commit 68cd84ae28a0 · 2019-11-15T12:24:10.000+03:00
diff --git a/Makefile b/Makefile
@@ -1,7 +1,7 @@
 MIX=mix
 SMPPSEND_BIN=smppsend
 
-VERSIONS=17 18 19 20
+VERSIONS=17 18 19 20 21
 
 all: clean_bin $(VERSIONS) release
 
