eval: Restore input files in evalcommand

When evalcommand invokes a command that modifies parsefile and
then bails out without popping the file, we need to ensure the
input file is restored so that the shell can continue to execute.

Reported-by: Martijn Dekker <martijn@inlv.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/input.h b/src/input.h
index ec97c1d..a9c0517 100644
--- a/src/input.h
+++ b/src/input.h
@@ -97,5 +97,6 @@ void popstring(void);
 int setinputfile(const char *, int);
 void setinputstring(char *);
 void popfile(void);
+void unwindfiles(struct parsefile *);
 void popallfiles(void);
 void closescript(void);