Networking: IPv4 getsockname(): Fix a typo that can cause a compile error.

configs/viewtool-stm32f107/netnsh/defconfig

@@ -14,6 +14,7 @@ CONFIG_ARMV7M_TOOLCHAIN_CODESOURCERYW=y
 CONFIG_BOARD_LOOPSPERMSEC=5483
 CONFIG_BUILTIN=y
 CONFIG_ETH0_PHY_DP83848C=y
+CONFIG_FS_PROCFS=y
 CONFIG_EXAMPLES_NSH=y
 CONFIG_HOST_WINDOWS=y
 CONFIG_INTELHEX_BINARY=y

net/inet/ipv4_getsockname.c

@@ -112,7 +112,7 @@ int ipv4_getsockname(FAR struct socket *psock, FAR struct sockaddr *addr,
 
           outaddr->sin_port = tcp_conn->lport; /* Already in network byte order */
           lipaddr           = tcp_conn->u.ipv4.laddr;
-          ripaddri          = tcp_conn->u.ipv4.raddr;
+          ripaddr           = tcp_conn->u.ipv4.raddr;
         }
         break;
 #endif