add FreeBSD builder for GHA (#1595)

.github/workflows/build-freebsd.yml

@@ -0,0 +1,20 @@
+name: Build on FreeBSD
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: macos-latest
+    name: with UPnP
+    steps:
+    - uses: actions/checkout@v2
+    - name: Test in FreeBSD
+      id: test
+      uses: vmactions/freebsd-vm@v0.0.9
+      with:
+        usesh: true
+        prepare: pkg install -y devel/cmake devel/gmake devel/boost-libs security/openssl net/miniupnpc 
+        run: |
+          cd build
+          cmake -DWITH_UPNP=ON -DCMAKE_BUILD_TYPE=Release .
+          gmake -j2

libi2pd/util.cpp

@@ -122,7 +122,7 @@ namespace util
 #if defined (__APPLE__)
 		pthread_setname_np(name);
 #elif defined(__FreeBSD__)
-		pthread_set_name_np(pthread_self(), name)
+		pthread_set_name_np(pthread_self(), name);
 #else
 		pthread_setname_np(pthread_self(), name);
 #endif