Fix the build tree include directory for afalg engine

Reviewed-by: Rich Salz <rsalz@openssl.org>
diff --git a/engines/afalg/build.info b/engines/afalg/build.info
index 763b35f..ecbc9a1 100644
--- a/engines/afalg/build.info
+++ b/engines/afalg/build.info
@@ -8,6 +8,6 @@
   ENGINES=afalg
   SOURCE[afalg]=e_afalg.c e_afalg_err.c
   DEPEND[afalg]=../../libcrypto
-  INCLUDE[afalg]= {- rel2abs(catdir($builddir,"../include")) -} ../../include
+  INCLUDE[afalg]= {- rel2abs(catdir($builddir,"../../include")) -} ../../include
  ENDIF
 ENDIF