[PATCH 3/5] doc/api: add portable version of __builtin_add_overflow

[Andre Muezerie]

__builtin_add_overflow is gcc specific. There's a need for a portable
version that can also be used with other compilers.

Signed-off-by: Andre Muezerie <andremue at linux.microsoft.com>
---
 doc/api/doxy-api-index.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/api/doxy-api-index.md b/doc/api/doxy-api-index.md
index f0193502bc..c95a86448d 100644
--- a/doc/api/doxy-api-index.md
+++ b/doc/api/doxy-api-index.md
@@ -226,6 +226,7 @@ The public API headers are grouped by topics:
   [checksum](@ref rte_cksum.h),
   [config file](@ref rte_cfgfile.h),
   [key/value args](@ref rte_kvargs.h),
+  [math](@ref rte_math.h),
   [argument parsing](@ref rte_argparse.h),
   [ptr_compress](@ref rte_ptr_compress.h),
   [string](@ref rte_string_fns.h),
-- 
2.47.0.vfs.0.3