Fix the AVG() and TOTAL() functions

so that they work with infinitites.

FossilOrigin-Name: 988e5308b6a03ff1f4122564a775fc3f8360b742548c4fb3f4b265496e77ca74

diff --cc manifest
index 301a04cc18415023a29c216112f4f705618f2d9e,8841ba64b74b0e4aa41caf580dad211a5a649793..5bd3cb5345489ef9ef4441f429d118fc7cb1bf42
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Merge\sthe\sbranch-3.43\sfixes\sinto\sthe\swal2\sbranch.
- D 2023-08-29T20:24:49.339
 -C Fix\sthe\sAVG()\sand\sTOTAL()\sfunctions\sso\sthat\sthey\swork\swith\sinfinitites.
 -D 2023-08-30T16:08:30.623
++C Fix\sthe\sAVG()\sand\sTOTAL()\sfunctions\nso\sthat\sthey\swork\swith\sinfinitites.
++D 2023-08-30T16:24:05.797
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -2106,11 -2092,9 +2106,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 9e927eed2d9e379dd79ef82aa1e41102463c5654b8f4e343bb88bb0daf55c689 692266abd107920ef8bec16c5e2c6226746948140dd8da17cdf2132fee4338f6
- R 529976639edc44c8d3f11da291811d1d
- T *branch * wal2-3.43
- T *sym-wal2-3.43 *
- T -sym-wal2 *
 -P 692266abd107920ef8bec16c5e2c6226746948140dd8da17cdf2132fee4338f6
 -Q +6df6f17ccb404c648076ccff4200d0eb5437f0e3e82424bf3da5ea682b107bb4
 -R 91c512eb5ecf2b495e648d6381e248bf
++P 903e997457a70fe8a105d5805d3b14710f60c8196558706a003a50090b87437e 97e20716c7c5c9c96a693835f99692d4cea088edebb9e422057bcb59829b798f
++R 8b7ad07d6b322281a66a49cb49eb927c
  U drh
- Z c170c6ce3850b6e25b4fcb0fb9789e15
 -Z c3c82b30f339c4d0d44d7d774602974f
++Z fb11585ce6c7c28d88a49876691d5a4b
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 40c2cd965d4615143c47dc33565d2ffbcbf3665f,ebf372b137f74f5f4835d407e630bf9fdd90fc1d..75c7a5fd9fdeb4db4b657a985975bf852f555ee1
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 903e997457a70fe8a105d5805d3b14710f60c8196558706a003a50090b87437e
 -97e20716c7c5c9c96a693835f99692d4cea088edebb9e422057bcb59829b798f
++988e5308b6a03ff1f4122564a775fc3f8360b742548c4fb3f4b265496e77ca74