spelling fixes, closes bug #1005426

Originally committed as revision 3383 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffmpeg.c

@@ -3772,7 +3772,7 @@ const OptionDef options[] = {
     { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
     { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
     { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
-    { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kByte)", "size" },
+    { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffer size (in kByte)", "size" },
     { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
     { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method", 
       "method" },
@@ -3794,7 +3794,7 @@ const OptionDef options[] = {
     { "lumi_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lumi_mask}, "luminance masking", "" },
     { "dark_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dark_mask}, "darkness masking", "" },
     { "scplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_scplx_mask}, "spatial complexity masking", "" },
-    { "tcplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_tcplx_mask}, "teporal complexity masking", "" },
+    { "tcplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_tcplx_mask}, "temporal complexity masking", "" },
     { "p_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_p_mask}, "inter masking", "" },
     { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (MPEG4)" },
     { "obmc", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_obmc}, "use overlapped block motion compensation (h263+)" },