Kill LOCAL_SOCKET_NAMESPACE.

Change-Id: I18928f89f66c37be310c45ff4c05a6d47ab84f66
diff --git a/libcutils/socket_local_client.c b/libcutils/socket_local_client.c
index ddcc2da..7b42daa 100644
--- a/libcutils/socket_local_client.c
+++ b/libcutils/socket_local_client.c
@@ -52,7 +52,7 @@
 
     switch (namespaceId) {
         case ANDROID_SOCKET_NAMESPACE_ABSTRACT:
-#ifdef HAVE_LINUX_LOCAL_SOCKET_NAMESPACE
+#if defined(__linux__)
             namelen  = strlen(name);
 
             // Test with length +1 for the *initial* '\0'.
@@ -67,7 +67,7 @@
             
             p_addr->sun_path[0] = 0;
             memcpy(p_addr->sun_path + 1, name, namelen);
-#else /*HAVE_LINUX_LOCAL_SOCKET_NAMESPACE*/
+#else
             /* this OS doesn't have the Linux abstract namespace */
 
             namelen = strlen(name) + strlen(FILESYSTEM_SOCKET_PREFIX);
@@ -79,7 +79,7 @@
 
             strcpy(p_addr->sun_path, FILESYSTEM_SOCKET_PREFIX);
             strcat(p_addr->sun_path, name);
-#endif /*HAVE_LINUX_LOCAL_SOCKET_NAMESPACE*/
+#endif
         break;
 
         case ANDROID_SOCKET_NAMESPACE_RESERVED:
diff --git a/libcutils/socket_local_server.c b/libcutils/socket_local_server.c
index 7628fe4..60eb86b 100644
--- a/libcutils/socket_local_server.c
+++ b/libcutils/socket_local_server.c
@@ -66,7 +66,7 @@
     }
 
     /* basically: if this is a filesystem path, unlink first */
-#ifndef HAVE_LINUX_LOCAL_SOCKET_NAMESPACE
+#if !defined(__linux__)
     if (1) {
 #else
     if (namespaceId == ANDROID_SOCKET_NAMESPACE_RESERVED
diff --git a/liblog/log_read.c b/liblog/log_read.c
index ca5a1a7..2f21a5d 100644
--- a/liblog/log_read.c
+++ b/liblog/log_read.c
@@ -72,7 +72,7 @@
 
     switch (namespaceId) {
     case ANDROID_SOCKET_NAMESPACE_ABSTRACT:
-#ifdef HAVE_LINUX_LOCAL_SOCKET_NAMESPACE
+#if defined(__linux__)
         namelen  = strlen(name);
 
         /* Test with length +1 for the *initial* '\0'. */
@@ -87,7 +87,7 @@
 
         p_addr->sun_path[0] = 0;
         memcpy(p_addr->sun_path + 1, name, namelen);
-#else /*HAVE_LINUX_LOCAL_SOCKET_NAMESPACE*/
+#else
         /* this OS doesn't have the Linux abstract namespace */
 
         namelen = strlen(name) + strlen(FILESYSTEM_SOCKET_PREFIX);
@@ -99,7 +99,7 @@
 
         strcpy(p_addr->sun_path, FILESYSTEM_SOCKET_PREFIX);
         strcat(p_addr->sun_path, name);
-#endif /*HAVE_LINUX_LOCAL_SOCKET_NAMESPACE*/
+#endif
         break;
 
     case ANDROID_SOCKET_NAMESPACE_RESERVED: