address cppcheck false-positive

Change-Id: I3c92ba93a6023bb02780ec4ff7b87d8963cead2c

Author: rdementi

src/pci.h

@@ -40,7 +40,7 @@ class PciHandle
 #endif
 
 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__linux__)
-    uint32 groupnr;
+    uint32 groupnr{};
 #endif
     uint32 bus;
     uint32 device;