Fix pacakaging missing adl headers and build failure without adl sdk headers installed.

Makefile.am

@@ -24,7 +24,7 @@ cgminer_SOURCES	= elist.h miner.h compat.h bench_block.h	\
 		  sha256_generic.c sha256_4way.c sha256_via.c	\
 		  sha256_cryptopp.c sha256_sse2_amd64.c		\
 		  sha256_sse4_amd64.c sha256_sse2_i386.c	\
-		  adl.c						\
+		  adl.c	adl.h adl_functions.h			\
 		  phatk110817.cl poclbm110817.cl
 
 cgminer_LDFLAGS	= $(PTHREAD_FLAGS)

adl.h

@@ -19,9 +19,9 @@ void change_gpusettings(int gpu);
 void gpu_autotune(int gpu);
 void clear_adl(int nDevs);
 #else /* HAVE_ADL */
-void init_adl(int nDevs) {}
-void change_gpusettings(int gpu) { }
-void gpu_autotune(int gpu) { }
-void clear_adl(int nDevs) {}
+static inline void init_adl(int nDevs) {}
+static inline void change_gpusettings(int gpu) { }
+static inline void gpu_autotune(int gpu) { }
+static inline void clear_adl(int nDevs) {}
 #endif
 #endif