build: Rename sources.mak -> Makefile.sources

For the sake of consistency.

Tested-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-and-Tested-by: Andreas Boll <andreas.boll.dev@gmail.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

src/mapi/glapi/Makefile.am

@@ -20,8 +20,8 @@
 # IN THE SOFTWARE.
 
 TOP = $(top_srcdir)
-include sources.mak
-include ../mapi/sources.mak
+include Makefile.sources
+include ../mapi/Makefile.sources
 
 AM_CPPFLAGS = \
         $(DEFINES) \

src/mapi/glapi/Makefile.sources

@@ -1,4 +1,4 @@
-# src/mapi/glapi/sources.mak
+# src/mapi/glapi/Makefile.sources
 
 GLAPI_SOURCES = \
 	glapi_dispatch.c \

src/mapi/mapi/Makefile.sources

@@ -1,4 +1,4 @@
-# src/mapi/mapi/sources.mak
+# src/mapi/mapi/Makefile.sources
 #
 # mapi may be used in several ways
 #

src/mapi/shared-glapi/Makefile.am

@@ -2,7 +2,7 @@
 
 TOP = $(top_srcdir)
 GLAPI = $(top_srcdir)/src/mapi/glapi
-include $(top_srcdir)/src/mapi/mapi/sources.mak
+include $(top_srcdir)/src/mapi/mapi/Makefile.sources
 
 lib_LTLIBRARIES = libglapi.la
 libglapi_la_SOURCES = $(MAPI_GLAPI_FILES)

src/mapi/vgapi/Makefile.am

@@ -40,7 +40,7 @@ VG_include_HEADERS = \
 lib_LTLIBRARIES = libOpenVG.la
 
 TOP=$(top_srcdir)
-include ../mapi/sources.mak
+include ../mapi/Makefile.sources
 libOpenVG_la_SOURCES = $(MAPI_FILES) vgapi_tmp.h
 libOpenVG_la_LIBADD = $(VG_LIB_DEPS)
 libOpenVG_la_LDFLAGS = -version-number 1 -no-undefined