Update test coverage for cgo handling updates.

This commit updates the test coverage report in include the latest
tests for the recent cgo handling updates for char, unsigned char,
and uint8_t arrays.

test_coverage.txt

@@ -3,8 +3,8 @@ github.com/davecgh/go-spew/spew/dump.go		 dumpState.dump			 100.00% (86/86)
 github.com/davecgh/go-spew/spew/format.go	 formatState.format		 100.00% (80/80)
 github.com/davecgh/go-spew/spew/format.go	 formatState.formatPtr		 100.00% (52/52)
 github.com/davecgh/go-spew/spew/dump.go		 dumpState.dumpPtr		 100.00% (44/44)
+github.com/davecgh/go-spew/spew/dump.go		 dumpState.dumpSlice		 100.00% (39/39)
 github.com/davecgh/go-spew/spew/common.go	 handleMethods			 100.00% (30/30)
-github.com/davecgh/go-spew/spew/dump.go		 dumpState.dumpSlice		 100.00% (19/19)
 github.com/davecgh/go-spew/spew/common.go	 printHexPtr			 100.00% (18/18)
 github.com/davecgh/go-spew/spew/common.go	 unsafeReflectValue		 100.00% (12/12)
 github.com/davecgh/go-spew/spew/format.go	 formatState.constructOrigFormat 100.00% (12/12)
@@ -52,5 +52,5 @@ github.com/davecgh/go-spew/spew/spew.go		 Sprint				 100.00% (1/1)
 github.com/davecgh/go-spew/spew/spew.go		 Sprintf			 100.00% (1/1)
 github.com/davecgh/go-spew/spew/config.go	 ConfigState.Dump		 100.00% (1/1)
 github.com/davecgh/go-spew/spew/spew.go		 Sprintln			 100.00% (1/1)
-github.com/davecgh/go-spew/spew			 ------------------------------- 100.00% (457/457)
+github.com/davecgh/go-spew/spew			 ------------------------------- 100.00% (477/477)