recovery: Map logical partitions before installation

Change-Id: I785b49086a2baf462e97be831b495d7db72f7a42
diff --git a/recovery_main.cpp b/recovery_main.cpp
index a4bbbc6..a419942 100644
--- a/recovery_main.cpp
+++ b/recovery_main.cpp
@@ -591,7 +591,7 @@
       }
 
       case Device::ENTER_FASTBOOT:
-        if (android::fs_mgr::LogicalPartitionsMapped()) {
+        if (logical_partitions_mapped()) {
           ui->Print("Partitions may be mounted - rebooting to enter fastboot.");
           Reboot("fastboot");
         } else {