eina: add intermediate inline function for eina_crc.

This is necessary to make my life easier when adding assembling implementation
of eina_crc.

src/Makefile_Eina.am

@@ -89,6 +89,7 @@ lib/eina/eina_thread_queue.h \
 lib/eina/eina_matrix.h \
 lib/eina/eina_quad.h \
 lib/eina/eina_crc.h \
+lib/eina/eina_inline_crc.x \
 lib/eina/eina_evlog.h \
 lib/eina/eina_util.h \
 lib/eina/eina_quaternion.h

src/lib/eina/eina_crc.c

@@ -288,7 +288,7 @@ static const unsigned int table[8][256] =
 };
 
 EAPI unsigned int
-eina_crc(const char *data, int len, unsigned int seed, Eina_Bool start_stream)
+_eina_crc(const char *data, int len, unsigned int seed, Eina_Bool start_stream)
 {
    unsigned int crc;
    unsigned int* curr = (unsigned int*) data;

src/lib/eina/eina_crc.h

@@ -40,6 +40,8 @@
  *
  * @since 1.15
  */
-EAPI unsigned int eina_crc(const char *key, int len, unsigned int seed, Eina_Bool start_stream) EINA_ARG_NONNULL(2, 3);
+static inline unsigned int eina_crc(const char *key, int len, unsigned int seed, Eina_Bool start_stream) EINA_ARG_NONNULL(2, 3);
+
+#include "eina_inline_crc.x"
 
 #endif

src/lib/eina/eina_inline_crc.x

@@ -0,0 +1,30 @@
+/* EINA - EFL data type library
+ * Copyright (C) 20015 Cedric BAIL
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library;
+ * if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef EINA_INLINE_CRC_X_
+#define EINA_INLINE_CRC_X_
+
+EAPI unsigned int _eina_crc(const char *data, int len, unsigned int seed, Eina_Bool start_stream);
+
+static inline unsigned int
+eina_crc(const char *key, int len, unsigned int seed, Eina_Bool start_stream)
+{
+   return _eina_crc(key, len, seed, start_stream);
+}
+
+#endif