make/lib/Lib-java.desktop.gmk

8201357: ALSA_CFLAGS is needed; was dropped in JDK-8071469
Reviewed-by: ihse, asmundak

*** 48,57 ****
--- 48,58 ----
        $(TOPDIR)/src/java.desktop/$(OPENJDK_TARGET_OS)/native/libjsound \
        )
  
    LIBJSOUND_CFLAGS := \
        -I$(SUPPORT_OUTPUTDIR)/headers/java.desktop \
+       $(ALSA_CFLAGS) \
        $(LIBJAVA_HEADER_FLAGS) \
        $(foreach dir, $(LIBJSOUND_SRC_DIRS), -I$(dir)) \
        -DX_PLATFORM=X_$(OPENJDK_TARGET_OS_UPPERCASE) \
        -DUSE_PORTS=TRUE \
        -DUSE_DAUDIO=TRUE \