Initialize variable small #3
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The variable small will be initialized within the first iteration of the loop when last == 1 at the label _80. So, this commit does not fix a bug or a problem, but it merely prevents gcc to print a warning when compiling the code.
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gcc complains that the variable small may be used initialized. Actually, small will be initialized at the first iteration of the loop for last == 1 (see label _80). To prevent gcc from printing the warning, initialize small to 0.