Fix missing-prototype error in programs/fuzz by moving LLVMFuzzerTestOneInput prototype to common.h
Signed-off-by: Michael Schuster <michael@schuster.ms>
diff --git a/programs/fuzz/common.h b/programs/fuzz/common.h
index 094383c..88dceac 100644
--- a/programs/fuzz/common.h
+++ b/programs/fuzz/common.h
@@ -23,3 +23,6 @@
int dummy_entropy(void *data, unsigned char *output, size_t len);
int fuzz_recv_timeout(void *ctx, unsigned char *buf, size_t len,
uint32_t timeout);
+
+/* Implemented in the fuzz_*.c sources and required by onefile.c */
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);