Fix funciton name in docs

Author: Julia-Garland

src/libbson/doc/bson_alloc_array.rst renamed to src/libbson/doc/bson_array_alloc.rst

@@ -1,6 +1,6 @@
-:man_page: bson_alloc_array
+:man_page: bson_array_alloc
 
-bson_alloc_array()
+bson_array_alloc()
 ==================
 
 Synopsis
@@ -9,7 +9,7 @@ Synopsis
 .. code-block:: c
 
   void *
-  bson_alloc_array (size_t type_size, size_t num_elems);
+  bson_array_alloc (size_t type_size, size_t num_elems);
 
 Parameters
 ----------

src/libbson/doc/bson_alloc_array0.rst renamed to src/libbson/doc/bson_array_alloc0.rst

@@ -1,6 +1,6 @@
-:man_page: bson_alloc_array0
+:man_page: bson_array_alloc0
 
-bson_alloc_array0()
+bson_array_alloc0()
 ===================
 
 Synopsis
@@ -9,7 +9,7 @@ Synopsis
 .. code-block:: c
 
   void *
-  bson_alloc_array0 (size_t type_size, size_t num_elems);
+  bson_array_alloc0 (size_t type_size, size_t num_elems);
 
 Parameters
 ----------