BLD: fix syntax errors in bento.info

Author: Ralf Gommers

numpy/core/bento.info

@@ -10,7 +10,7 @@ Library:
             src/npymath/halffloat.c
     CompiledLibrary: npysort
         Sources:
-            src/private/npy_partition.h.src
+            src/private/npy_partition.h.src,
             src/npysort/quicksort.c.src,
             src/npysort/mergesort.c.src,
             src/npysort/heapsort.c.src,
@@ -29,7 +29,7 @@ Library:
             src/umath/umath_tests.c.src
     Extension: scalarmath
         Sources:
-            src/private/scalarmathmodule.h.src
+            src/private/scalarmathmodule.h.src,
             src/scalarmathmodule.c.src
     Extension: _dotblas
         Sources: