[dpdk-stable] [PATCH v2] eal: declare extern "C" linkage when building with __cplusplus

[Tyler Retzlaff <roretzla@linux.microsoft.com>]

Add missing extern "C" linkage for rte_reciprocal.h consistent with
other eal headers.

Fixes: ffe3ec811ef5 ("sched: introduce reciprocal divide")
Cc: stable@dpdk.org

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---

* fixed commit title line link->linkage
* added Fixes and Cc from dmitryk feedback

 lib/librte_eal/include/rte_reciprocal.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/librte_eal/include/rte_reciprocal.h b/lib/librte_eal/include/rte_reciprocal.h
index 735adb029..fa1cb4854 100644
--- a/lib/librte_eal/include/rte_reciprocal.h
+++ b/lib/librte_eal/include/rte_reciprocal.h
@@ -29,6 +29,10 @@
 
 #include <rte_common.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct rte_reciprocal {
 	uint32_t m;
 	uint8_t sh1, sh2;
@@ -89,4 +93,8 @@ rte_reciprocal_divide_u64(uint64_t a, const struct rte_reciprocal_u64 *R)
 struct rte_reciprocal rte_reciprocal_value(uint32_t d);
 struct rte_reciprocal_u64 rte_reciprocal_value_u64(uint64_t d);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _RTE_RECIPROCAL_H_ */
-- 
2.30.0.vfs.0.2