calma/CalmaRead.c missing initialization

An FEOF exit path exists in READRH() which causes the output
variable(s) to not be assigned a value, then the code makes
a decision (branch) based on uninitialized data.

SonarCloud detection
CalmaRead.c:359:The left operand of '!=' is a garbage value
https://sonarcloud.io/project/issues?open=AZJB17gSNGfDNup0Rkp5&id=dlmiles_magic

calma/CalmaRead.c

@@ -345,7 +345,7 @@ done:
 bool
 calmaParseUnits()
 {
-    int nbytes, rtype;
+    int nbytes, rtype = 0;
     double metersPerDBUnit;
     double userUnitsPerDBUnit;
     double cuPerDBUnit;