Fix spelling #687

Job	Run time
Windows MSVC CMake REL TS	8m 54s
Windows MSVC CMake DBG TS	7m 52s
Windows MSVC CMake REL	17m 12s
Windows MSVC CMake DBG	17m 46s
Ubuntu gcc CMake REL TS	4m 7s
Ubuntu gcc CMake DBG TS	4m 21s
Ubuntu gcc CMake REL	13m 21s
Ubuntu gcc CMake DBG	12m 44s
Ubuntu gcc Autotools REL TS	5m 46s
Ubuntu gcc Autotools DBG TS	6m 25s
Ubuntu gcc Autotools REL	23m 38s
Ubuntu gcc Autotools DBG	23m 28s
Ubuntu gcc Autotools parallel (build only) REL TS	6m 18s
Ubuntu gcc Autotools parallel (build only) DBG TS	6m 40s
Ubuntu gcc Autotools parallel (build only) REL	8m 8s
Ubuntu gcc Autotools parallel (build only) DBG	8m 37s
MacOS Clang CMake REL TS	3m 41s
MacOS Clang CMake DBG TS	2m 44s
MacOS Clang CMake REL	13m 13s
MacOS Clang CMake DBG	11m 52s
Ubuntu gcc Autotools v1.6 default API (build only) DBG	8m 45s
Ubuntu gcc Autotools v1.8 default API (build only) DBG	8m 4s
Ubuntu gcc Autotools v1.10 default API (build only) DBG	10m 43s
Ubuntu gcc Autotools v1.12 default API (build only) DBG	10m 35s
Ubuntu gcc Autotools no deprecated symbols (build only) DBG	9m 10s
	4h 14m 4s

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