reprint warnings before exit (ch-run, ch-image)

bin/ch_misc.h

@@ -21,7 +21,7 @@
 
 /* Size of “warnings” buffer, in bytes. We want this to be big enough that we
    don’t need to worry about running out of room. */
-#define WARNINGS_SIZE (3*1024)
+#define WARNINGS_SIZE (4*1024)
 
 /* Test some value, and if it's not what we expect, exit with a fatal error.
    These are macros so we have access to the file and line number.

test/run/ch-run_misc.bats

@@ -1074,8 +1074,8 @@ EOF
     run ch-run --warnings=100
     echo "$output"
     [[ $status -eq 0 ]]
-    [[ $output == *'ch-run['*']: warning: reprinting first 52 warning(s)'* ]]
-    [[ $(echo "$output" | grep -Fc 'this is warning 52!') -eq 2 ]]
-    [[ $(echo "$output" | grep -Fc 'this is warning 53!') -eq 1 ]]
+    [[ $output == *'ch-run['*']: warning: reprinting first '*' warning(s)'* ]]
+    [[ $(echo "$output" | grep -Fc 'this is warning 1!') -eq 2 ]]
+    [[ $(echo "$output" | grep -Fc 'this is warning 100!') -eq 1 ]]
 
 }