EmbeddedPkg: AndroidBootApp: fix clang compilation

Address an incorrect function prototype (using ; instead of ,)
in AndroidBootImg.h.

Also restructure code slightly to avoid a "may be used uninitialized"
warning.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c

@@ -357,12 +357,13 @@ AndroidBootImgUpdateFdt (
     if (EFI_ERROR (Status)) {
       goto Fdt_Exit;
     }
+
+    Status = gBS->InstallConfigurationTable (
+                    &gFdtTableGuid,
+                    (VOID *)(UINTN)NewFdtBase
+                    );
   }
 
-  Status = gBS->InstallConfigurationTable (
-                  &gFdtTableGuid,
-                  (VOID *)(UINTN)NewFdtBase
-                  );
   if (!EFI_ERROR (Status)) {
     return EFI_SUCCESS;
   }