changed abs to labs function to avoid warning

During compilation on MacOS with clang I saw a warning about
a type mismatch for the abs function. I adapted the function
from abs to labs.

diff --git a/src/data/data-out.c b/src/data/data-out.c
index 157335cbf4a82d2d184eac78655613ee8ecd20cd..3f3611f00da2c032587c53971403e73ff502e35f 100644 (file)
--- a/src/data/data-out.c
+++ b/src/data/data-out.c
@@ -805,7 +805,7 @@ output_scientific (double number, const struct fmt_spec *format,
   {
     char *cp = strchr (p, 'E') + 1;
     long int exponent = strtol (cp, NULL, 10);
-    if (abs (exponent) > 999)
+    if (labs (exponent) > 999)
       return false;
     sprintf (cp, "%+04ld", exponent);
   }