tinystdio: Add a fix for rounding in case of 0 decimal places for fmode #17

A-Shehab wants to merge 2 commits intomainfoss-for-synopsys-dwc-arc-processors/picolibc:mainfrom

shehab_fmode_rounding_issuefoss-for-synopsys-dwc-arc-processors/picolibc:shehab_fmode_rounding_issueCopy head branch name to clipboard