color: fix typo in float table.

src/image/color/cie1931.cpp

@@ -94,7 +94,7 @@ static float cie_1931_xyz[] =
     0.0001638f, 4.930e-06f, 0.0007651f, 0.0001840f, 5.532e-06f, 0.0008600f,
     0.0002067f, 6.208e-06f, 0.0009666f, 0.0002321f, 6.965e-06f, 0.0010860f,
     0.0002607f, 7.813e-06f, 0.0012206f, 0.0002931f, 8.767e-06f, 0.0013727f,
-    0.0003294f, 9.84e0-06f, 0.0015436f, 0.0003699f, 1.104e-05f, 0.0017343f,
+    0.0003294f, 9.840e-06f, 0.0015436f, 0.0003699f, 1.104e-05f, 0.0017343f,
     0.0004149f, 1.239e-05f, 0.0019460f, 0.0004642f, 1.389e-05f, 0.0021778f,
     0.0005190f, 1.556e-05f, 0.0024358f, 0.0005819f, 1.744e-05f, 0.0027320f,
     0.0006552f, 1.958e-05f, 0.0030781f, 0.0007416f, 2.202e-05f, 0.0034860f,