filter_data_show.c: check dest buffer sizes
filter_data_show.c: check dest buffer sizes

Fixes Coverity CID 709413: Copy into fixed size buffer (STRING_OVERFLOW)
You might overrun the 512 byte fixed-size string "temp" by copying "profile" without checking the length.
 58                        strcpy( temp, profile );

and

CID 709414: Copy into fixed size buffer (STRING_OVERFLOW)
You might overrun the 512 byte fixed-size string "result" by copying "metavalue" without checking the length.
225                                                                        strcat( result, metavalue ? metavalue : "-" );

xzhavilla/mlt,siddharudh/mlt,anba8005/mlt,gmarco/mlt-orig,mltframework/mlt,gmarco/mlt-orig,mltframework/mlt,gmarco/mlt-orig,wideioltd/mlt,j-b-m/mlt,j-b-m/mlt,anba8005/mlt,zzhhui/mlt,siddharudh/mlt,anba8005/mlt,mltframework/mlt,anba8005/mlt,mltframework/mlt,xzhavilla/mlt,wideioltd/mlt,gmarco/mlt-orig,zzhhui/mlt,zzhhui/mlt,zzhhui/mlt,j-b-m/mlt,siddharudh/mlt,xzhavilla/mlt,siddharudh/mlt,wideioltd/mlt,wideioltd/mlt,j-b-m/mlt,siddharudh/mlt,j-b-m/mlt,gmarco/mlt-orig,mltframework/mlt,anba8005/mlt,mltframework/mlt,anba8005/mlt,wideioltd/mlt,zzhhui/mlt,siddharudh/mlt,wideioltd/mlt,gmarco/mlt-orig,mltframework/mlt,j-b-m/mlt,xzhavilla/mlt,j-b-m/mlt,wideioltd/mlt,siddharudh/mlt,xzhavilla/mlt,mltframework/mlt,j-b-m/mlt,xzhavilla/mlt,wideioltd/mlt,mltframework/mlt,siddharudh/mlt,zzhhui/mlt,anba8005/mlt,mltframework/mlt,zzhhui/mlt,xzhavilla/mlt,j-b-m/mlt,gmarco/mlt-orig,anba8005/mlt,siddharudh/mlt,zzhhui/mlt,xzhavilla/mlt,zzhhui/mlt,j-b-m/mlt,anba8005/mlt,gmarco/mlt-orig,gmarco/mlt-orig,wideioltd/mlt,xzhavilla/mlt