File reproducible.patch of Package opal

Index: opal-3.10.10/plugins/audio/SILK/SILK_SDK/Makefile
===================================================================
--- opal-3.10.10.orig/plugins/audio/SILK/SILK_SDK/Makefile
+++ opal-3.10.10/plugins/audio/SILK/SILK_SDK/Makefile
@@ -55,7 +55,7 @@ VPATH = ./ \
 LIB_NAME = SKP_SILK_SDK
 TARGET = $(LIBPREFIX)$(LIB_NAME)$(LIBSUFFIX)
 
-SRCS_C = $(wildcard src/*.c)
+SRCS_C = $(sort $(wildcard src/*.c))
 
 OBJS := $(patsubst %.c,%$(OBJSUFFIX),$(SRCS_C))